gmail refactor + permission syncing (#3021)

* initial frontend changes and shared google refactoring

* gmail connector is reworked

* added permission syncing for gmail

* tested!

* Added tests for gmail connector

* fixed tests and mypy

* temp fix

* testing done!

* rename

* test fixes maybe?

* removed irrelevant tests

* anotha one

* refactoring changes

* refactor finished

* maybe these fixes work

* dumps

* final fixes

.github/workflows/pr-python-connector-tests.yml

@@ -21,6 +21,8 @@ env:
   # Google
   GOOGLE_DRIVE_SERVICE_ACCOUNT_JSON_STR: ${{ secrets.GOOGLE_DRIVE_SERVICE_ACCOUNT_JSON_STR }}
   GOOGLE_DRIVE_OAUTH_CREDENTIALS_JSON_STR: ${{ secrets.GOOGLE_DRIVE_OAUTH_CREDENTIALS_JSON_STR }}
+  GOOGLE_GMAIL_SERVICE_ACCOUNT_JSON_STR: ${{ secrets.GOOGLE_GMAIL_SERVICE_ACCOUNT_JSON_STR }}
+  GOOGLE_GMAIL_OAUTH_CREDENTIALS_JSON_STR: ${{ secrets.GOOGLE_GMAIL_OAUTH_CREDENTIALS_JSON_STR }}
 
 jobs:
   connectors-check: