Customizable Player Models

Improved model loading speed
Added models site loader
Updated Chinese translations (#710)
Updated Russian translations (Closes #685)
Added getAnimationMaxValue to the api (Closes #715)
Added: RealCamera now plays first person animations (1.20+) (Closes #417)
Editor QoL:

• Check Safety Level shows the cube count in Level: None
• Added color to the current animation selector
• Setup/Finish animations show up near their normal animation in the list
• Improved skin compatible export option description
• Added cube name colors to the Copy Transform selection menu
• Made reload texture undoable, added a warning popup if the image is edited in game
• Added Pivot Tool
• Multi-select improvements
• Copy Transforms in duplicated elements update if the from is also duplicated

25w06a port

Fixed models menu breaking with experimental exports
Fixed falling animation on 1.21.3+ (Closes #733)
Fixed editor crash with templates present (Closes #683)
Fixed combo slider/spinner breaking (Closes #680)
Fixed slider max value breaking above 127 with normal exporter (Closes #729, Closes #687)
Fixed value slider values change due to rounding issues (Closes #682)
Fixed must finish not working with normal exporter (Closes #703)
Fixed add new empty frame not working
Fixed grouped animation breaks export if changed to different type
Fixed sprinting not working in BTA
Fixed text input fields not working in BTA
Fixed capes in 1.17+ clipping into the body on sneaking (Closes #722)
Fixed capes in 1.4 and older versions not rendering
Fixed root animations accumulating on 1.7.10 and older if root is visible and taking damage (Closes #714)
Fixed layer defaults not applying in model preview