Update build settings layout

[vkbo]

Summary:

This PR:

• Updates the layout of the Manuscript Build Settings dialog to match the other settings dialogs.
• Removes the old layout base classes no longer in use, and some other features also no longer used.
• Adds group labels to the menu on the Preferences dialog.
• Fixes an issue with label wrapping on the new config layouts.
• Updates the stretching of widgets on the Preferences dialog,

Related Issue(s):

Reviewer's Checklist:

• The header of all files contain a reference to the repository license
• The overall test coverage is increased or remains the same as before
• All tests are passing
• All flake8 checks are passing and the style guide is followed
• Documentation (as docstrings) is complete and understandable
• Only files that have been actively changed are committed