🖥️ App Layout Improvements

Planner & Calendar Header
: We've refined the 'back to Today' button, navigation arrows, and settings to be less visually intrusive.
Menu Updates:
UI tweaks + Project and Tasks sections are now collapsible, helping you declutter your workspace.
Hide Completed Tasks
: You now have the option to hide completed tasks in Today for a cleaner view.
Dropdown Enhancements
: We've reviewed and improved all dropdown components for a smoother experience.
View Button and Tags Filter Relocation:
The Tags filter has been moved to the new View button, alongside all the other page settings. Enjoy a clearer view!