Bug fixes

• Rotation pointer was not moving along the cursor on the absolute axis.
• If palette overlayed a brick in the viewport, clicking on the brick in the palette would also select the brick in the scene.
• Tooltip was not disappearing inside the Instruction Maker if the element was dragged.
• With multiple viewports open, could not adjust the Ref Image size using the handles.
• White pattern was not rendering on 3857pb01 if render settings were set to high.
• Brick Round 1x1 wasn't showing the shadow around stud in Instruction Mode.
• Background color could not be modified.
• When using replace feature on part, it would get sent to the top of the step list.
• Studio would not save after modifying instructions if it had certain custom parts or merged parts.
• Minifigure legs had high reflectivity when rendering.
• Buffer exchange arrow was not updating in the left panel thumbnail when modified in the main window.
• Default select option could only be toggled via hotkeys if it was changed in Instruction Maker.
• New Part highlight color in the Global Settings in Instruction Maker would be a brighter version of the color that was selected.
• There was an issue being unable to unlink nested submodes from one another.