feat(ui): update invoke button tooltip for batching

- Split up logic to determine reason why the user cannot invoke for each tab.
- Fix issue where the workflows tab would show reasons related to canvas/upscale tab. The tooltip now only shows information relevant to the current tab.
- Add calculation for batch size to the queue count prediction.
- Use a constant for the enqueue mutation's fixed cache key, instead of a string. Just some typo protection.

invokeai/frontend/web/src/services/api/endpoints/queue.ts

@@ -425,3 +425,7 @@ const resetListQueryData = (
   // we have to manually kick off another query to get the first page and re-initialize the list
   dispatch(queueApi.endpoints.listQueueItems.initiate(undefined));
 };
+
+export const enqueueMutationFixedCacheKeyOptions = {
+  fixedCacheKey: 'enqueueBatch',
+} as const;