[WEB-5657] feat: add synchronization configuration for multiple providers in authentication adapter (#8336)

* feat: add sync functionality for OAuth providers

- Implemented `check_sync_enabled` method to verify if sync is enabled for Google, GitHub, GitLab, and Gitea.
- Added `sync_user_data` method to update user details, including first name, last name, display name, and avatar.
- Updated configuration variables to include sync options for each provider.
- Integrated sync check into the login/signup process.

* feat: add sync toggle for OAuth providers in configuration forms

* fix: remove default value for sync options in OAuth configuration forms

* chore: delete old avatar and upload a new one

* chore: update class method

* chore: add email nullable

* refactor: streamline sync check for multiple providers and improve avatar deletion logic

* fix: ensure ENABLE_SYNC configurations default to "0" for Gitea, Github, Gitlab, and Google forms

* fix: simplify toggle switch value handling in ControllerSwitch component

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Co-authored-by: b-saikrishnakanth <bsaikrishnakanth97@gmail.com>

apps/api/plane/db/models/user.py

@@ -172,6 +172,16 @@ class User(AbstractBaseUser, PermissionsMixin):
 
         super(User, self).save(*args, **kwargs)
 
+    @classmethod
+    def get_display_name(cls, email):
+        if not email:
+            return "".join(random.choice(string.ascii_letters) for _ in range(6))
+        return (
+            email.split("@")[0]
+            if len(email.split("@")) == 2
+            else "".join(random.choice(string.ascii_letters) for _ in range(6))
+        )
+
 
 class Profile(TimeAuditModel):
     SUNDAY = 0