fix(migrations): kpi migration script failure on fresh installs DEV-1305 (#6485)

### 👀 Preview steps

1. ℹ️ create a fresh kobo install
2. 🔴 [on main] receive an error when applying migrations:
```
psycopg.errors.UndefinedTable: relation "django_migrations" does not exist
LINE 1: SELECT * FROM django_migrations WHERE app = 'mfa' AND name =...
```
3. 🟢 [on PR] migrations will all apply and app will build successfully
4. Create a user with MFA availabilities 
5. 🟢 User will be able to authenticate with MFA

Co-authored-by: Olivier Léger <[email protected]>

Author: RuthTurk

scripts/__init__.py

@@ -1,8 +1,13 @@
-from django.conf import settings
-from django.db import connection, connections
+from django.db import connection
+
+from .fix_migrations_for_kobocat import are_migration_already_applied
 
 
 def run():
+
+    if not are_migration_already_applied():
+        return
+
     if should_fix_internal_mfa_app_label():
         fix_internal_mfa_app_label()