**Problem**
Slash menu can be prematurely aborted when the query is still in
`no_result`
due to async query updates after deletion.
**Solution**
Keep the slash menu alive on text input while in `no_result`,
preventing aborts based on a stale query state.
**Repro**
1. Type `/eeee`
2. Delete to `/`
3. Type `h`
4. Slash menu should recover and show results
<!-- This is an auto-generated comment: release notes by coderabbit.ai
-->
## Summary by CodeRabbit
* **Bug Fixes**
* Enhanced slash-menu keyboard interaction: users can now continue
typing to refine queries when no results are displayed, instead of the
menu closing unexpectedly. Keyboard navigation and other controls remain
responsive.
<sub>✏️ Tip: You can customize this high-level summary in your review
settings.</sub>
<!-- end of auto-generated comment: release notes by coderabbit.ai -->
Co-authored-by: DarkSky <25152247+darkskygit@users.noreply.github.com>
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