Save file before execution (#8601)

* save file before execution

* Update firebase-vscode/src/data-connect/execution/execution.ts

Co-authored-by: Yuchen Shi <yuchenshi@google.com>

---------

Co-authored-by: Yuchen Shi <yuchenshi@google.com>

Author: hlshen

firebase-vscode/src/data-connect/execution/execution.ts

@@ -327,12 +327,13 @@ export function registerExecution(
     executionHistoryTreeView,
     vscode.commands.registerCommand(
       "firebase.dataConnect.executeOperation",
-      (ast, location, instanceType: InstanceType) => {
+      async (ast, location, instanceType: InstanceType) => {
         analyticsLogger.logger.logUsage(
           instanceType === InstanceType.LOCAL
             ? DATA_CONNECT_EVENT_NAME.RUN_LOCAL
             : DATA_CONNECT_EVENT_NAME.RUN_PROD,
         );
+        await vscode.window.activeTextEditor?.document.save();
         executeOperation(ast, location, instanceType);
       },
     ),