feat: update TODO.md and enhance dashboard components

- Marked several UI/UX tasks as complete in TODO.md, including improvements for Kanban icons, tag visibility, recent tasks display, and header responsiveness.
- Updated PriorityDistributionChart to adjust height for better layout.
- Refined IntegrationFilter to improve filter display and added new trigger class for dropdowns.
- Replaced RecentTaskTimeline with TaskCard in RecentTasks for better consistency.
- Enhanced TagDistributionChart with improved tooltip and legend styling.
- Updated DesktopControls and MobileControls to use lucide-react icons for filters and search functionality.
- Removed RecentTaskTimeline component for cleaner codebase.

src/components/ui/SearchInput.tsx

@@ -65,7 +65,7 @@ const SearchInput = forwardRef<HTMLInputElement, SearchInputProps>(
           value={localValue}
           onChange={handleChange}
           placeholder={placeholder}
-          className="bg-[var(--card)] border-[var(--border)] w-full"
+          className="bg-[var(--card)] border-[var(--border)] w-full h-[34px]"
           {...props}
         />
       </div>