feat(automate): return blob id from file results (#445)

src/speckle_automate/automation_context.py

@@ -268,7 +268,7 @@ class AutomationContext:
         print(f"Reporting run status with content: {params}")
         self.speckle_client.httpclient.execute(query, params)
 
-    def store_file_result(self, file_path: Union[Path, str]) -> None:
+    def store_file_result(self, file_path: Union[Path, str]) -> str:
         """Save a file attached to the project of this automation."""
         path_obj = (
             Path(file_path).resolve() if isinstance(file_path, str) else file_path
@@ -310,6 +310,8 @@ class AutomationContext:
             [upload_result.blob_id for upload_result in upload_response.upload_results]
         )
 
+        return upload_response.upload_results[0].blob_id
+
     def mark_run_failed(self, status_message: str) -> None:
         """Mark the current run a failure."""
         self._mark_run(AutomationStatus.FAILED, status_message)