v1.12.1-beta.1

What's Changed

• fix(MsgItem): correct highlight logic to handle payload when no search params by @muzaffarmhd in #1964
• fix(TopicTree): improve long host name display with ellipsis and tooltip by @ysfscream in #1972
• fix(ui): improve payload history navigation buttons layout by @ysfscream in #1973
• fix(build): update Linux app icon to 512x512 resolution by @ysfscream in #1974
• fix(desktop): unify app data path handling to fix Windows %APPDATA% redirect issue by @ysfscream in #1976
• 1.12.1-beta.1 by @ysfscream in #1978

Full Changelog: v1.12.0...v1.12.1-beta.1