App mode output feed to only show current session results for outputs defined in the app (#9307)

## Summary

Updates app mode to only show images from:
- the workflow that generated the image
- in the current session
- for the outputs selected in the builder

## Changes

- **What**: 
- adds new mapping of jobid -> workflow path [cant use id here as it is
not guaranteed unique], capped at 4k entries
- fix bug where executing a workflow then quickly switching tabs
associated incorrect workflow
- add missing output history tests

┆Issue is synchronized with this [Notion
page](https://www.notion.so/PR-9307-App-mode-output-feed-to-only-show-current-session-results-for-outputs-defined-in-the-app-3156d73d36508142b4bbca3f938fc5c2)
by [Unito](https://www.unito.io)

src/scripts/app.ts

@@ -1491,6 +1491,10 @@ export class ComfyApp {
             }
           })
 
+          // Capture workflow before await — activeWorkflow may change if the
+          // user switches tabs while the request is in flight.
+          const queuedWorkflow = useWorkspaceStore().workflow
+            .activeWorkflow as ComfyWorkflow
           const p = await this.graphToPrompt(this.rootGraph)
           const queuedNodes = collectAllNodes(this.rootGraph)
           try {
@@ -1511,8 +1515,7 @@ export class ComfyApp {
                   executionStore.storeJob({
                     id: res.prompt_id,
                     nodes: Object.keys(p.output),
-                    workflow: useWorkspaceStore().workflow
-                      .activeWorkflow as ComfyWorkflow
+                    workflow: queuedWorkflow
                   })
                 }
               } catch (error) {}