Presumably if the disable option was in the Tracks Menu, it would apply to selected tracks? That would be more flexible than using the Track Dropdown Menu if you had many tracks.
I am not sure if customisations are needed to the Track Control Panel other than toggling Gain and Pan. If the Mute/Solo buttons were moved above the Track Info, so they were the last control to disappear when making the track less tall, would many people want to change that?
Gale