HTMLCheckMatrix support for forcing options on/off

Bug: 47743
Renamed remove-options parameter of HTMLCheckMatrix to force-options-on
and added additional force-options-off. Minor refactor of
PreferencesForm::filterDataForSubmit to move class specific code into their
respective classes.

Change-Id: I61a6b2bcce3102e2350088912ee77620a9f678f9
Merge "HTMLCheckMatrix support for forcing options on/off"