fix(moderation): updated metadata importing

moderation/importers/moderation.py

@@ -60,10 +60,11 @@ class ImportModerationView(ui.View):
             if "changes" not in case or not case["changes"]:
                 case["changes"] = []
 
-            if "metadata" not in case or not case["metadata"]:
-                case["metadata"] = {}
+            if "metadata" not in case:
+                metadata = {}
             else:
-                case["metadata"].update({
+                metadata: dict = case["metadata"]
+                metadata.update({
                     'imported_from': 'SeaCogs/Moderation'
                 })
 
@@ -88,7 +89,7 @@ class ImportModerationView(ui.View):
                 resolved_reason=case["resolve_reason"],
                 expired=case["expired"],
                 changes=case["changes"],
-                metadata=case["metadata"],
+                metadata=metadata,
                 database=database,
             )