Support Dante hardware and improvements

Improvements

• ID2977 - Support of latest Dante Card hardware following component changes.
• ID2209 - Various GUI response time improvements.

Bug fixes

• ID2907 - The Record Send function in Virtual Soundcheck now correctly functions for output
  97 and above.
• ID2593 - FX Send Level now correctly updating in Relative Scene Update mode.
• ID2972 - Ducker now showing correct gain reduction value when key audio is silent.
• ID2836 - Inhibits incorrect display of ‘Unsafe Shutdown’ message.

Open issues

• ID0893 - In certain circumstances, the touchscreens can freeze on the ampersand screen
  when attempting to update firmware from v1.03.
• ID2306 - MIDI Softkeys in Director fire both their ‘on press’ and ‘on release’ events on press.
• ID2300 - DCA Spills do not work in Director when online.
• ID2182 - LPF/HPF GUI not showing in bank view when off.
• ID2357 - If running Director on a Microsoft Surface, touch and hold does not trigger right click
  menu on custom rotaries.