Miscellaneous UI/UX improvements

general: Miscellaneous UI/UX improvements

• Increase padding for spin buttons
• Align items better in the timer page & dialog
• Make timer dialog actually adaptive
• Use modern title style class in timer page
• Change the behavior of the grid of buttons in the timer page & dialog to start a timer automatically
• Change wording in timer page & dialog to reflect the new behavior better
• The world location dialog now closes on Escape
• Make the search bar in the world location dialog the default widget

For the timer page:

Before	After

And the dialog:

Before	After