Merge changes I01ea9c44,I57014e31,Ic3727889,I1ae12d1a into main

* changes:
  fix(magnification fling): add stop fling test to controller test
  fix(magnification fling): stop fling animation if they put their finger down
  feat(magnification fling): add fling momentum velocity tracking to panning gesture
  fix(fullscreen magnification): fix test sending incorrect TouchEvents