fix: skip confirmed not-found models in bulk metadata refresh

When enable_metadata_archive_db=True, the previous filter logic would
repeatedly try to fetch metadata for models that were already confirmed
to not exist on CivitAI (from_civitai=False, civitai_deleted=True).

The fix adds a skip condition to exclude models that:
1. Are confirmed not from CivitAI (from_civitai=False)
2. Are marked as deleted/not found on CivitAI (civitai_deleted=True)
3. Either have no archive DB enabled, or have already been checked (db_checked=True)

This prevents unnecessary API calls to CivArchive for user-trained models
or models from non-CivitAI sources.

Fixes repeated "Error fetching version of CivArchive model by hash" logs
for models that will never be found on CivitAI/CivArchive.

py/services/use_cases/bulk_metadata_refresh_use_case.py

@@ -48,9 +48,14 @@ class BulkMetadataRefreshUseCase:
             for model in cache.raw_data
             if model.get("sha256")
             and (not model.get("civitai") or not model["civitai"].get("id"))
-            and (
-                (enable_metadata_archive_db and not model.get("db_checked", False))
-                or (not enable_metadata_archive_db and model.get("from_civitai") is True)
+            and not (
+                # Skip models confirmed not on CivitAI when no need to retry
+                model.get("from_civitai") is False
+                and model.get("civitai_deleted") is True
+                and (
+                    not enable_metadata_archive_db
+                    or model.get("db_checked", False)
+                )
             )
         ]