Feat: Improve 'user_canvan_version' delete and 'document' delete performance (#6553)

### What problem does this PR solve?

1.  Add delete_by_ids method
2. Add get_doc_ids_by_doc_names
3. Improve user_canvan_version's logic (avoid O(n) db IO)
4. Improve document delete logic (avoid O(n) db IO)

### Type of change

- [x] Performance Improvement

api/db/services/common_service.py

@@ -263,6 +263,18 @@ class CommonService:
         # Returns:
         #     Number of records deleted
         return cls.model.delete().where(cls.model.id == pid).execute()
+    
+    @classmethod
+    @DB.connection_context()
+    def delete_by_ids(cls, pids):
+        # Delete multiple records by their IDs
+        # Args:
+        #     pids: List of record IDs
+        # Returns:
+        #     Number of records deleted
+        with DB.atomic():
+            res = cls.model.delete().where(cls.model.id.in_(pids)).execute()
+            return res
 
     @classmethod
     @DB.connection_context()