Fixes lag and color inconsistency in trip creation game selection. - Add pagination with 50 games per page to TripCreationViewModel - Add displayedAvailableGames, loadInitialAvailableGames, loadMoreAvailableGames - Update GamePickerSheet to use paginated data with infinite scroll trigger - Show "Load more games" button with progress indicator and count Co-Authored-By: Claude Opus 4.5 <noreply@anthropic.com>