A lot of little fixes

No major theme on this edition. Just a lot of little fixes.

• Fixed an issue where the scrollbar is visible by default
• Fixed the general default number format
• Added support for arrow keys in color dropdown menu
• Fixed the loading screen showing up on reload incorrectly
• Added an email us support button
• Added support for undo redo on desktop with shortcut keys
• Fixed an issue with deleting a file not returning to home screen
• Added support for handling decimals with no preceding digit
• Fixed an issue where grid scrolled off screen when using command+arrow keys
• Fixed a CYCLE error where there shouldn't be one
• Added support for argument hints when editing formulas
• Fixed an issue with MIN and MAX on empty ranges