* Add experimental Splat Texture rendering and examples/splat-texture. Added star.png and heart.png to assets.json and to assets repo. Update examples/depth-of-field to compute from metric aperture size. Added SparkRenderer.renderScale debug parameter. Updated examples/editor: set default highDPI to true, added logFocalDistance, apertureAngle, refactored, grouped into debugFolder, default settings open, preset buttons for nonAA and AA settings.
* Set default highDpi in examples/editor to not(isMobile).
* Use `getDrawingBufferSize` to determine renderer size
* Add workaround for WebXR on Vision Pro.
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Co-authored-by: Andreas Sundquist <asundqui@worldlabs.ai>