* Fix touch gesture conflicts in WebGL example apps on mobile
* Format with prettier
* fix(examples): improve mobile support for map, pdf, and threejs examples
- map-server: fullscreen button respects safe area insets, hover/opacity
pattern with always-visible on touch devices
- pdf-server: fit-to-width scale for narrow viewports, responsive toolbar
with compact controls on mobile, safe area in fullscreen toolbar via
CSS custom properties
- threejs-server: fullscreen button respects safe area and always visible
on touch, ResizeObserver for responsive width, host containerDimensions
for fullscreen height, no container padding in fullscreen, replace
useHostStyles with inline style application to avoid overwriting
onhostcontextchanged handler
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