ZSQLCatalog: force using READ COMMITTED isolation level in...

ZSQLCatalog: force using READ COMMITTED isolation level in getPathDictForUidList and getUidDictForPathList.

as they are only called during indexation.

product/ZSQLCatalog/SQLCatalog.py

@@ -1581,6 +1581,7 @@ class Catalog(Folder,
         path=None, # BBB
         path_list=path_list,
         uid_only=False, # BBB
+        isolation_level__='READ-COMMITTED',
       )
     }
 
@@ -1595,6 +1596,7 @@ class Catalog(Folder,
         uid=None, # BBB
         uid_list=uid_list,
         path_only=False, # BBB
+        isolation_level__='READ-COMMITTED',
       )
     }