Not sure if this is what you are looking for. If you move the mouse cursor to the LH edge of the mixer (over an existing track), it will allow you to horizontally resize the mixer / chord chart display:

Attached Files (Click to download or enlarge) (Only available when you are logged in)
2022-04-10_9-21-39.jpg (85.05 KB, 39 downloads)

BIAB & RB2026 Win.(Audiophile), Windows 10 Pro & Windows 11, Cakewalk Bandlab, Izotope Prod.Bundle, Roland RD-1000, Synthogy Ivory, Session Keys Grand S & Electric R, Kontakt, Focusrite 18i20, KetronSD2, NS40M, Pioneer Active Monitors.