Independent Headphone Volume for each 'lane'

Request to add a ‘Headphone Volume Control’ dial for each Lane output control menu (Which opens when you hold down the output selection)

This would enable a separate ‘Headphone mix’ for those using multiple inputs/outputs from one QC - such as IEMs for Vocalists.

Alternative easy fix could be allowing multiple lanes tracking to 1 SEND. (currently only limited to 1 lane per SEND)