editor: Make parse_blocks synchronous since it has no await points (#54756)

Release Notes:

- N/A

Signed-off-by: Xiaobo Liu <cppcoffee@gmail.com>
93e9bef8a5Xiaobo Liu committed on 4/24/2026, 10:40:20 AM· committed by GitHubparentadab7b8
1 file changedLine totals unavailable