v1.64.1

Bug Fixes

• Engine examples fixes (#5410, #5407, #5411, #5434, #5435, #5436)
• Shadow fixes (#5417, #5424, #5421, #5425, #5429, #5432, #5430, #5433)
• Support for powerPreference option for WebGPU (#5418)
• Delete cache entry when setting null value (#5419)
• Handle anim events during reverse playback (#5413)
• Fix exit time conditions for non looping animations (#5426)