Many fixes and a couple features

Features

• Added "Rotate 90 deg" option to layers
• Added ability to drag/drop canvases in the track window

Fixes

• Fixed an issue with track order after duplicating a track
• Fixed canvas selection after duplicating a track
• Fixed an issue where single click with rectangle selection wasn't clearing the selection
• Fixed an issue where alt+tab was locking the alt key being down
• Fixed an issue with the mouse cursor being stuck as a pointer when drawing
• Fixed an issue with the track title being on top of everything
• Fixed an issue with the color sampler not setting the color across all canvases
• Fixed an issue with the layer drag/drop showing the whole canvas rather than the layer
• Fixed the positions of the overlay messages
• Fixed an issue with input fields not scrolling as you type
• Fixed an issue with exact matches in color palette manager not listing the palette
• Made clip names easier to read in Atlas Maker
• Fixed an issue where the delete key in the input field could cause a crash