[FL-3174] Dolphin builder in ufbt; minor ufbt/fbt improvements (#2601)

* ufbt: added "dolphin_ext" target (expects "external" subfolder in cwd with dolphin assets); cleaned up unused code
* ufbt: codestyle fixes
* scripts: fixed style according to ruff linter
* scripts: additional cleanup & codestyle fixes
* github: pass target hw code when installing local SDK with ufbt
* ufbt: added error message for missing folder in dolphin builder
* scripts: more linter fixes
* sdk: added flipper_format_stream; ufbt: support for --extra-define
* fbt: reduced amount of global defines
* scripts, fbt: rearranged imports

Co-authored-by: Aleksandr Kutuzov <alleteam@gmail.com>

scripts/flipper/storage.py

@@ -151,7 +151,7 @@ class FlipperStorage:
             try:
                 # TODO: better decoding, considering non-ascii characters
                 line = line.decode("ascii")
-            except:
+            except Exception:
                 continue
 
             line = line.strip()
@@ -194,7 +194,7 @@ class FlipperStorage:
             try:
                 # TODO: better decoding, considering non-ascii characters
                 line = line.decode("ascii")
-            except:
+            except Exception:
                 continue
 
             line = line.strip()