Mime for assets; better access handling for tables list

dba.py

@@ -464,7 +464,7 @@ def drop_table(conn: DBConnector, table_name: str):
         return False, e
 
 
-def create_asset(conn: DBConnector, name: str, description: str, fid: str):
+def create_asset(conn: DBConnector, name: str, description: str, fid: str, mime: str):
     try:
         conn.insertIntoTable(
             ASSETS_TABLE_NAME,
@@ -472,6 +472,7 @@ def create_asset(conn: DBConnector, name: str, description: str, fid: str):
                 "name": name,
                 "description": description,
                 "fid": fid,
+                "mime": mime,
             },
         )
         return True, None