zed: Reinstate default `file_scan_exclusions` in Zed repo project settings (#29690)

Closes #ISSUE

Re-adds default `file_scan_exclusions` to [project
settings](https://github.com/zed-industries/zed/blob/84e4891d544f14e7e22348b89ecaf261b44ca611/.zed/settings.json)
that were overridden in #29106

Release Notes:

- N/A *or* Added/Fixed/Improved ...
8173534ad5Ben Kunkle committed on 4/30/2025, 5:50:56 PM· committed by GitHubparent8c03934
1 file changedLine totals unavailable