fix get_all_tables with different project_id

Author: rhoboro

bigquery/client.py

@@ -1487,7 +1487,7 @@ def _get_all_tables_for_dataset(self, dataset_id, project_id=None):
         project_id = self._get_project_id(project_id)
 
         result = self.bigquery.tables().list(
-            projectId=self.project_id,
+            projectId=project_id,
             datasetId=dataset_id).execute(num_retries=self.num_retries)
 
         page_token = result.get('nextPageToken')