Changes ShapeEditor's Library tab to an "Assets" tab and opens the AB with the shapeAsset filter on
Adds Asset tab to world editor scenetree window that opens the assetBrowser
Fixes issue where opening default scene in worldEditor would activate the saveAs dirty flag, then if you exit the level and open a new one, you can only saveAs and not save the existing level asset
Streamlined the toolbar for the gui and world editors to utilize a stack, making the behavior and manipulation of toolbar elements significantly more consistent.
Added Settings and Asset Browser buttons to both gui and world editor toolbars for easier access.
Moved all tool toolbars over to work with the stack system to make them more consistent and better formatting
Added saving of asset browser's last position and extent so it remembers it on load.
Added editor setting to close the asset browser after completing a drag-n-drop action.
Added keybind to editor keybind list, making space toggle the asset browser
Fixed typo in import config settings for DuplicateAutoResolution
Converted TSShapeConstructor to utilize assets
Updated shape editor to work with assetified constructors
Converted guiBitmapButtonCtrl to use assets
