v6.72rc7 - December 13 2022
* Includes feature branch: razor edits on master track envelopes
* Includes feature branch: track grouping manager dialog
* Includes feature branch: track media/razor edit grouping
+ Actions: improve description of force item spectrogram action [t=253641]
+ JSFX: make FX filename resolution via FX_AddByName less unpredictable
+ Tooltips: fix incorrect channel labels for mono-sourced sends/hardware outputs [t=273656]
