fix: sidebar title of runtimeAsync (#8921)

## Summary
I messed up one thing last commit . Apologies for that.
Basically if title is not present and version tag is added that reflects
in sidebar
## Test plan
<img width="345" height="195" alt="image"
src="https://github.com/user-attachments/assets/532d7310-8e87-4d6d-896a-fb208164edf0"
/>

Author: riteshshukla04

docs/docs-worklets/docs/threading/runOnRuntimeAsync.mdx

@@ -1,4 +1,5 @@
 ---
+title: runOnRuntimeAsync
 sidebar_position: 42 # Use alphabetical order
 ---