languages: Fix `(` wouldn’t autocomplete when `.` is preceded by it in Markdown (#33705)

Closes #5092

Release Notes:

- Fixed issue where `(` wouldn’t autocomplete when `.` is preceded by it
in Markdown.
3151b5efc1Smit Barmase committed on 7/1/2025, 11:21:46 AM· committed by GitHubparent782fbfa
1 file changedLine totals unavailable