Revert "fix(frontend): add finalize guard to model fetch for cancellation cleanup"

This reverts commit c6acf72.

Author: ELin2025

frontend/src/app/workspace/component/hugging-face/hugging-face.component.ts

@@ -360,16 +360,7 @@ export class HuggingFaceComponent extends FieldType<FieldTypeConfig> implements
         `${AppSettings.getApiEndpoint()}/huggingface/models?task=${encodeURIComponent(tag)}`,
         { observe: "response" }
       )
-      .pipe(
-        takeUntil(this.destroy$),
-        finalize(() => {
-          // If takeUntil cancels before next/error fires, clear the in-flight
-          // guard so a later instance re-fetches instead of polling forever.
-          if (!allModelsByTag.has(tag) && !errorByTag.has(tag)) {
-            inFlightByTag.delete(tag);
-          }
-        })
-      )
+      .pipe(takeUntil(this.destroy$))
       .subscribe({
         next: resp => {
           const models = resp.body ?? [];