[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>

lib/libusb_stm32.scons

@@ -4,9 +4,6 @@ env.Append(
     CPPPATH=[
         "#/lib/libusb_stm32/inc",
     ],
-    CPPDEFINES=[
-        ("USB_PMASIZE", "0x400"),
-    ],
     SDK_HEADERS=env.GlobRecursive(
         "*.h",
         Dir("libusb_stm32/inc"),
@@ -16,6 +13,11 @@ env.Append(
 
 libenv = env.Clone(FW_LIB_NAME="usb_stm32")
 libenv.ApplyLibFlags()
+libenv.Append(
+    CPPDEFINES=[
+        ("USB_PMASIZE", "0x400"),
+    ],
+)
 
 
 sources = [