Add checkboxes to set some metadata on page metadata panel

Also fixes some errors in I752705f6
And while we're there, clean up some mostly duplicate functions

Bug: 57169
Bug: 57170
Bug: 57171
Bug: 57172
Change-Id: I1e3dca3868a267e91bccb0ae277012c26ca82174
Merge "Add checkboxes to set some metadata on page metadata panel"