All BatchedQueues should drain when disposed (also adds query string for output: "debug=true") (#5098)

* ensure disposal is correct

* add tests for disposal of batching queue

* fixes for draining disposal

* Update packages/objectloader2/src/queues/batchingQueue.ts

Co-authored-by: Copilot <175728472+Copilot@users.noreply.github.com>

* fix comment

* fix tests and build

* add query string inspection of debug parameter

* Update packages/objectloader2/src/queues/batchingQueue.ts

Co-authored-by: Copilot <175728472+Copilot@users.noreply.github.com>

* Update packages/objectloader2/src/core/objectLoader2Factory.ts

Co-authored-by: Copilot <175728472+Copilot@users.noreply.github.com>

* fix test

* fix AI

* export getQueryParameter to avoid dup code.  Sandbox uses it too

* add tests for functions

* prettier fix

---------

Co-authored-by: Copilot <175728472+Copilot@users.noreply.github.com>

packages/objectloader2/src/core/objectLoader2.ts

@@ -65,11 +65,10 @@ export class ObjectLoader2 {
     await Promise.all([
       this.#gathered.disposeAsync(),
       this.#downloader.disposeAsync(),
-      this.#cacheWriter.disposeAsync()
+      this.#cacheWriter.disposeAsync(),
+      this.#cacheReader.disposeAsync()
     ])
     this.#deferments.dispose()
-    this.#cacheReader.dispose()
-    this.#cache.dispose()
   }
 
   async getRootObject(): Promise<Item | undefined> {