22150 [web] Clean up unused previousStyle logic (cla: yes, platform-web, waiting for tree to go green)

22159 Report error when instantiating CanvasKit network image (cla: yes, platform-web)

22160 [web] Fixes canvas pixelation and overallocation due to transforms.  (cla: yes, platform-web)

22172 [web] Fix transform not invalidating path bounds causing debugValidate failure (cla: yes, platform-web)

22182 [web] Fix for firefox custom clipping (cla: yes, platform-web, waiting for tree to go green)

22184 [web] Assign default natural width/height for svgs that report 0,0 on firefox and ie11 (cla: yes, platform-web)