Catch error during auto-migrations (#10553) (#10560)

- Prevent process interlock
- Prevent migration check if already running migrations

(cherry picked from commit 067cb1fccb)

Co-authored-by: Oliver <oliver.henry.walters@gmail.com>

src/backend/InvenTree/InvenTree/tasks.py

@@ -668,6 +668,11 @@ def check_for_migrations(force: bool = False, reload_registry: bool = True) -> b
 
     Returns bool indicating if migrations are up to date
     """
+    from . import ready
+
+    if ready.isRunningMigrations() or ready.isRunningBackup():
+        # Migrations are already running!
+        return False
 
     def set_pending_migrations(n: int):
         """Helper function to inform the user about pending migrations."""
@@ -718,6 +723,8 @@ def check_for_migrations(force: bool = False, reload_registry: bool = True) -> b
             if settings.DATABASES['default']['ENGINE'] != 'django.db.backends.sqlite3':
                 raise e
             logger.exception('Error during migrations: %s', e)
+        except Exception as e:  # pragma: no cover
+            logger.exception('Error during migrations: %s', e)
         else:
             set_pending_migrations(0)