`workspace::Open`: Highlight fuzzy matches (#26320)

Partial: https://github.com/zed-industries/zed/issues/15398

Changes:
Adds highlighting to the matches when using `"use_system_path_prompts":
false`

| before | after |
|---|---|

|![image](https://github.com/user-attachments/assets/60a385a0-abb0-49c5-935c-e71149161562)|![image](https://github.com/user-attachments/assets/d66ce980-cea9-4c22-8e6a-9720344be39a)|

Release Notes:

- N/A
edeed7b619brian tan committed on 3/12/2025, 8:54:38 PM· committed by GitHubparent9be7934
1 file changedLine totals unavailable