Yow! Those 4 icons are the only ones on that form that look odd (small)
That is the
Edit Metadata window.
Not to be confused with the Editor or (book)Viewer
You really need to use the correct names (or steps you used to get there) to keep us from heading down the wrong path
A TEST to see if this tracks the various forms
Preferences: Behavior:
Edit metadata (single): all on one tab