* Create button disabled when editing
* New disabled mixin;
* Tree styling
* Fixed icons for fullscreen toggle button
* Local controls fixed for Imagery and Plots
* Range control styling updated;
* Plot styling, significant mods
* Disclosure controls improved;
* New _legacy-plots.scss file added, no longer loads legacy plot SCSS
files;
* Removed 12px crosshair cursor in legend hover;
* Inspector tree styling in plot options
* Fix z-indexing related to Overlays