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/merge_report.yml

@@ -4,6 +4,10 @@ on:
   push:
     branches:
       - dev
+
+env:
+  FBT_TOOLCHAIN_PATH: /runner/_work
+
 jobs:
   merge_report:
     runs-on: [self-hosted,FlipperZeroShell]
@@ -33,7 +37,7 @@ jobs:
 
       - name: 'Check ticket and report'
         run: |
-          FBT_TOOLCHAIN_PATH=/runner/_work source scripts/toolchain/fbtenv.sh
+          source scripts/toolchain/fbtenv.sh
           python3 -m pip install slack_sdk
           python3 scripts/merge_report_qa.py \
               ${{ secrets.QA_REPORT_SLACK_TOKEN }} \