adds date for ModelLog

sync/admin.py

@@ -30,6 +30,8 @@ class ModelLogAdmin(admin.ModelAdmin):
     list_filter = ['user', 'operation', 'model_name']
     ordering = ['-date']
     search_fields = ['model_id']
+    readonly_fields = ['date']
+
 
 class DataAccessAdmin(SyncedObjectAdmin):
     list_display = ['related_user', 'get_shared_users', 'model_name', 'model_id']