[FL-3928, FL-3929] CLI commands in fals and threads (#4116)

* feat: FuriThread stdin

* ci: fix f18

* feat: stdio callback context

* feat: FuriPipe

* POTENTIALLY EXPLOSIVE pipe welding

* fix: non-explosive welding

* Revert welding

* docs: furi_pipe

* feat: pipe event loop integration

* update f18 sdk

* f18

* docs: make doxygen happy

* fix: event loop not triggering when pipe attached to stdio

* fix: partial stdout in pipe

* allow simultaneous in and out subscription in event loop

* feat: vcp i/o

* feat: cli ansi stuffs and history

* feat: more line editing

* working but slow cli rewrite

* restore previous speed after 4 days of debugging 🥲

* fix: cli_app_should_stop

* fix: cli and event_loop memory leaks

* style: remove commented out code

* ci: fix pvs warnings

* fix: unit tests, event_loop crash

* ci: fix build

* ci: silence pvs warning

* feat: cli gpio

* ci: fix formatting

* Fix memory leak during event loop unsubscription

* Event better memory leak fix

* feat: cli completions

* Merge remote-tracking branch 'origin/dev' into portasynthinca3/3928-cli-threads

* merge fixups

* temporarily exclude speaker_debug app

* pvs and unit tests fixups

* feat: commands in fals

* move commands out of flash, code cleanup

* ci: fix errors

* fix: run commands in buffer when stopping session

* speedup cli file transfer

* fix f18

* separate cli_shell into modules

* fix pvs warning

* fix qflipper refusing to connect

* remove temp debug logs

* remove erroneous conclusion

* Fix memory leak during event loop unsubscription

* Event better memory leak fix

* unit test for the fix

* improve thread stdio callback signatures

* pipe stdout timeout

* update api symbols

* fix f18, formatting

* fix pvs warnings

* increase stack size, hope to fix unit tests

* cli completions

* more key combos

* commands in fals

* move commands out of flash

* ci: fix errors

* speedup cli file transfer

* merge fixups

* fix f18

* cli: revert flag changes

* cli: fix formatting

* cli, fbt: loopback perf benchmark

* thread, event_loop: subscribing to thread flags

* cli: signal internal events using thread flags, improve performance

* fix f18, formatting

* event_loop: fix crash

* storage_cli: increase write_chunk buffer size again

* cli: explanation for order=0

* thread, event_loop: thread flags callback refactor

* cli: increase stack size

* cli: rename cli_app_should_stop -> cli_is_pipe_broken_or_is_etx_next_char

* cli: use plain array instead of mlib for history

* cli: prepend file name to static fns

* cli: fix formatting

* cli_shell: increase stack size

* cli_shell: give up pipe to command thread

* fix formatting

* fix: format

* fix merge

* fix. merge.

* cli_shell: fix detach ordering

* desktop: record_cli -> record_cli_vcp

* cli: fix spelling, reload/remove ext cmds on card mount/unmount

* cli: fix race conditions and formatting

* scripts: wait for CTS to go high before starting flipper

* scripts: better race condition fix

* REVERT THIS: test script race condition fix

* Revert "REVERT THIS: test script race condition fix"

This reverts commit 3b028d29b0.

* REVERT THIS: test script fix

* scripts: sleep?

* cli: updated oplist for CliCommandTree

* Revert "REVERT THIS: test script fix"

This reverts commit e984631854.

* cli: mention memory leak in FL ticket

---------

Co-authored-by: Georgii Surkov <georgii.surkov@outlook.com>
Co-authored-by: あく <alleteam@gmail.com>
Co-authored-by: hedger <hedger@nanode.su>

targets/f7/api_symbols.csv

@@ -1,5 +1,5 @@
 entry,status,name,type,params
-Version,+,84.0,,
+Version,+,84.1,,
 Header,+,applications/drivers/subghz/cc1101_ext/cc1101_ext_interconnect.h,,
 Header,+,applications/services/bt/bt_service/bt.h,,
 Header,+,applications/services/bt/bt_service/bt_keys_storage.h,,
@@ -863,8 +863,10 @@ Function,+,cli_ansi_parser_feed,CliAnsiParserResult,"CliAnsiParser*, char"
 Function,+,cli_ansi_parser_feed_timeout,CliAnsiParserResult,CliAnsiParser*
 Function,+,cli_ansi_parser_free,void,CliAnsiParser*
 Function,+,cli_delete_command,void,"Cli*, const char*"
+Function,+,cli_enumerate_external_commands,void,Cli*
 Function,+,cli_is_pipe_broken_or_is_etx_next_char,_Bool,PipeSide*
 Function,+,cli_print_usage,void,"const char*, const char*, const char*"
+Function,+,cli_remove_external_commands,void,Cli*
 Function,+,cli_vcp_disable,void,CliVcp*
 Function,+,cli_vcp_enable,void,CliVcp*
 Function,+,composite_api_resolver_add,void,"CompositeApiResolver*, const ElfApiInterface*"
@@ -3454,13 +3456,13 @@ Function,+,subghz_file_encoder_worker_get_level_duration,LevelDuration,void*
 Function,+,subghz_file_encoder_worker_is_running,_Bool,SubGhzFileEncoderWorker*
 Function,+,subghz_file_encoder_worker_start,_Bool,"SubGhzFileEncoderWorker*, const char*, const char*"
 Function,+,subghz_file_encoder_worker_stop,void,SubGhzFileEncoderWorker*
-Function,-,subghz_keystore_alloc,SubGhzKeystore*,
-Function,-,subghz_keystore_free,void,SubGhzKeystore*
-Function,-,subghz_keystore_get_data,SubGhzKeyArray_t*,SubGhzKeystore*
-Function,-,subghz_keystore_load,_Bool,"SubGhzKeystore*, const char*"
-Function,-,subghz_keystore_raw_encrypted_save,_Bool,"const char*, const char*, uint8_t*"
-Function,-,subghz_keystore_raw_get_data,_Bool,"const char*, size_t, uint8_t*, size_t"
-Function,-,subghz_keystore_save,_Bool,"SubGhzKeystore*, const char*, uint8_t*"
+Function,+,subghz_keystore_alloc,SubGhzKeystore*,
+Function,+,subghz_keystore_free,void,SubGhzKeystore*
+Function,+,subghz_keystore_get_data,SubGhzKeyArray_t*,SubGhzKeystore*
+Function,+,subghz_keystore_load,_Bool,"SubGhzKeystore*, const char*"
+Function,+,subghz_keystore_raw_encrypted_save,_Bool,"const char*, const char*, uint8_t*"
+Function,+,subghz_keystore_raw_get_data,_Bool,"const char*, size_t, uint8_t*, size_t"
+Function,+,subghz_keystore_save,_Bool,"SubGhzKeystore*, const char*, uint8_t*"
 Function,+,subghz_protocol_blocks_add_bit,void,"SubGhzBlockDecoder*, uint8_t"
 Function,+,subghz_protocol_blocks_add_bytes,uint8_t,"const uint8_t[], size_t"
 Function,+,subghz_protocol_blocks_add_to_128_bit,void,"SubGhzBlockDecoder*, uint8_t, uint64_t*"