[Spa] Polish UI

- Update Spinner
- CategoryButton pressed shape
- ActionButtons pressed shape
- Size and Space has different tokens, so split SettingsDimension into
  SettingsSize and SettingsSpace

Bug: 419002002
Flag: EXEMPT bug fix
Test: visual
Change-Id: I6f3f05badaca279b24b898dbce1b680cc87d71d1