text_finder: Open match on the right column (#59840)

## Summary

When opening a result from the text finder navigate to the exact match
position the same way project search already does. Previously the text
finder opened the file at the start of the matched line, while project
search lands the cursor on the start of the match (correct line and
column).

## Solution
  
`go_to_singleton_buffer_point` now uses
`SearchMatch::relative_range.start `as the column instead of 0.

## Testing

- Manual: search in the text finder → open a result whose match starts
mid-line → cursor lands on the start of the match. Verified for both
opening in the current pane and opening in a split.

Release Notes:

- Improved text finder to open files at the matched column

Co-authored-by: ozacod <ozacod@users.noreply.github.com>
99c3d17da6ozacod committed on 6/25/2026, 1:21:52 PM· committed by GitHubparent25ea339
1 file changedLine totals unavailable