fix: bind this in waitForBatch and add changeset

Author: bharathkumar39293

.changeset/fix-batch-trigger-task-identifier.md

@@ -0,0 +1,5 @@
+---
+"@trigger.dev/core": patch
+---
+
+Fix run.taskIdentifier being reported as "unknown" for batch triggers

packages/core/src/v3/runtime/sharedRuntimeManager.ts

@@ -113,7 +113,7 @@ export class SharedRuntimeManager implements RuntimeManager {
 
       return {
         id: params.id,
-        items: waitpoints.map(this.waitpointToTaskRunExecutionResult),
+        items: waitpoints.map((wp) => this.waitpointToTaskRunExecutionResult(wp)),
       };
     });
   }