Improvements & fixes

• Added guides to the controller layer to ease selection, position, rotation, and scaling.

• Improved the default setting for Antialiasing so it is activated on all exports.

• Improved the discoverability of the playback mode button within the Layers List.

• Improved viewer permissions so that project deletion is not an option.

• Disabled the empty right-click menu for the Properties Panel.

• Fixed an issue that prevented Layout Grid visibility.

• Fixed a bug that necessitated multiple steps to undo actions taken within the Properties Panel.

• Fixed a bug that caused an error for certain paste operations within Firefox.

• Fixed a bug that prevented adjustment of the scale height property when constrained.

• Fixed a bug that caused a crash when new layers were made within a scene.