12335 [Web] Implement dark mode support for web

12445 [web] filter test targets; cache host.dart compilation

12712 Support correct keymap for web

12747 Add web implementation for channel_buffers.dart

12753 [web] Don’t require felt to be in PATH

12794 [web] Add support for path transform

12811 [web] Implement basic radial gradient (TileMode.clamp, no transform)

13003 [web] Update the url when route is replaced

13066 [web] Add basic color per vertex drawVertices API support

13141 Enable/tweak web sdk source maps

13161 Enable/tweak web sdk source maps, take 2