rename unmout to destroy

Signed-off-by: Assem Hafez <assem.hafez@uber.com>

src/views/workflow-history/helpers/__tests__/workflow-history-fetcher.test.tsx

@@ -30,7 +30,7 @@ describe(WorkflowHistoryFetcher.name, () => {
 
   afterEach(() => {
     queryClient.clear();
-    hoistedFetcher?.unmount();
+    hoistedFetcher?.destroy();
   });
 
   it('should return the current query state from getCurrentState', async () => {

src/views/workflow-history/helpers/workflow-history-fetcher.ts

@@ -93,7 +93,7 @@ export default class WorkflowHistoryFetcher {
       this.unsubscribe = null;
     }
   }
-  unmount(): void {
+  destroy(): void {
     this.stop();
     this.observer.destroy();
   }