UI Patch #2

[SpectralVectors]

Features

• checkbox panels - open and close to view properties, but the options will be greyed out until the box is checked
• panels, checkboxes and checkbox panel styles unified
• updated panel title style - removed brackets, replaced with custom symbols to aid readability
• G-code Options - renamed to Machine G-code and Operation G-code, respectively
• Pack, Slice, Relief Panels removed, shifted into temporary panels that appear after the operator is called
• warning styles unified across panels
• checkboxes aligned to the left
• Free Movement Height renamed to Safe Height - under heading Z Clearance, styles unified
• Cutter Engagement moved from Operation Setup to Info panel, remains in the Cutter panel, styles unified
• Experimental Icon added to experimental features
• Experimental features now hidden unless Interface is set to 'Experimental'
• Preference added to hide Warning Popups
• Shapely version is now also displayed in Preferences

Bug fixes

• warning added to Bas Relief if the scene has no camera
• fixed blank popup issue
• fixed various console-only errors