This PR addresses TODO comments and improves code quality: ### 1. PullRequestItem.tsx - Replaced `react-tooltip` with `twenty-ui` `AppTooltip` component - Removed TODO comment - Uses internal component library for consistency ### 2. MenuItemAvatar.tsx - Refactored to use `MenuItem` internally, eliminating code duplication - Removed about 63 lines of duplicate code - Removed TODO comment as the merge is now complete --------- Co-authored-by: cubic-dev-ai[bot] <191113872+cubic-dev-ai[bot]@users.noreply.github.com>