Merge pull request stackblitz-labs#427 from PuneetP16/fix-app-reload

[fix]: shell commands execution failure on app reload

Author: thecodacus

app/lib/runtime/action-runner.ts

@@ -95,11 +95,12 @@ export class ActionRunner {
 
     this.#currentExecutionPromise = this.#currentExecutionPromise
       .then(() => {
-        this.#executeAction(actionId, isStreaming);
+        return this.#executeAction(actionId, isStreaming);
       })
       .catch((error) => {
         console.error('Action failed:', error);
       });
+      return this.#currentExecutionPromise;
   }
 
   async #executeAction(actionId: string, isStreaming: boolean = false) {