feat(ui): sort session history by last activity instead of creation time#1602

Raghavendiran-2002 wants to merge 2 commits intokagent-dev:mainkagent-dev/kagent:mainfrom

Raghavendiran-2002:feat/sort-sessions-by-last-activityRaghavendiran-2002/kagent:feat/sort-sessions-by-last-activityCopy head branch name to clipboard