Release Notes:

- Adds filename autocomplete for vim commands:
  - write
  - edit
  - split
  - vsplit
  - tabedit
  - tabnew
- Makes command palette interceptor async
<img width="1382" height="634" alt="image"
src="https://github.com/user-attachments/assets/e7bf01c5-e9cd-4a7d-b38c-12fc3df5069f"
/>

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Co-authored-by: Conrad Irwin <conrad.irwin@gmail.com>