Doom/Unit_tests flashing proper firmware (#2133)

* doom: should fix all issues, needs review
* fixed flash call and added port
* increased timeout, full flash wasn't completing
* turned serial back
* added unit formatting and force flag for overwriting files
* testing crash
* fixed step names, added release flashing, removed unit_tests from updater tests
* changed checkout method, added step validations
* removed duplicated tag
* fixed styling, stopped relying on shebang lines, removed debug output
* moved format to the end, flash_usb_full copies resourses already
* awaiting flipper after flashing and step status for file move

Co-authored-by: Konstantin Volkov <k.volkov@flipperdevices.com>
Co-authored-by: あく <alleteam@gmail.com>

.github/workflows/lint_python.yml

@@ -9,6 +9,10 @@ on:
       - '*'
   pull_request:
 
+env:
+    FBT_TOOLCHAIN_PATH: /runner/_work
+    SET_GH_OUTPUT: 1
+
 jobs:
   lint_python:
     runs-on: [self-hosted,FlipperZeroShell]
@@ -26,4 +30,4 @@ jobs:
           ref: ${{ github.event.pull_request.head.sha }}
 
       - name: 'Check code formatting'
-        run: SET_GH_OUTPUT=1 FBT_TOOLCHAIN_PATH=/runner/_work ./fbt lint_py
+        run: ./fbt lint_py