fix: Fix 'About' window can't be closed automatically
Created by: fuchunlan
Signed-off-by: lannyfu lannyfu@yunify.com
What type of PR is this? /kind bug
What this PR does / why we need it: To fix 'About' window can't be closed automatically when moving mouse and clicking out of 'About' window
Which issue(s) this PR fixes:
Fixes ##2110 (closed)
Does this PR introduced a user-facing change?
let 'About' window can be closed automaticallySpecial notes for reviewers:
Additional documentation, usage docs, etc.: