Use ImmutableJS correctly for frameOpts
Use ImmutableJS correctly for frameOpts

This is already covered by misc-components automated tests, several were
failing that I didn't know were related.

Fix #10376

Auditors: da39a3ee5e6b4b0d3255bfef95601890afd80709@bsclifton

diasdavid/browser-laptop,luixxiul/browser-laptop,luixxiul/browser-laptop,diasdavid/browser-laptop,luixxiul/browser-laptop,diasdavid/browser-laptop,luixxiul/browser-laptop,diasdavid/browser-laptop