[FL-3486,FL-3392] fbt: various improvements and bug fixes (#2982)

* fbt: extapps: compact debug format for .faps
* fbt: sdk: fixed symbol cache regen logic for removed-only symbols
* lib: elf_file: early .fap file handle release
* fbt: extapps: added FAP_VERSION define for application environments
* github: added appsymbols artifact
* api: updates for f18
* github: fixed early fap_dist
* fbt: added flash_dap
* ufbt: added flash_dap
* fbt: reworked flash target; scripts: program.py->fwflash.py and changes
* vscode: updated configuration
* scripts: fwflash.py: ugly fixes for ufbt
* scripts: fwflash.py: cleanup
* fbt: flash: always use .elf file
* scripts: fwflash: fixed elf file path

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

scripts/fbt_tools/fbt_help.py

@@ -16,8 +16,8 @@ Firmware & apps:
     
 
 Flashing & debugging:
-    flash, flash_blackmagic, jflash:
-        Flash firmware to target using debug probe
+    flash, jflash:
+        Flash firmware to target using SWD probe. See also SWD_TRANSPORT, SWD_TRANSPORT_SERIAL
     flash_usb, flash_usb_full: 
         Install firmware using self-update package
     debug, debug_other, blackmagic: