Add maximize buttons to Note Types editor

[dae]

Some things do not fit, so the window needs to be resized, but there is no maximize button. Examples of what does not fit:
Tools → Manage Note Types:
horizontally and vertically
Fields
vertically
Options
the default texts fit

Originally reported on https://forums.ankiweb.net/t/add-maximize-buttons-to-note-types-editor/43803

[balavinaithirthan]

What are the files that are related to this issue?

[dae]

models.py and models.ui