Replace DEL with Backspace for OSX

[manongjohn]

This addresses an issue for MacOS users where the Delete key on mac keyboard does nothing because it is internally identified as Backspace and actions are not typically defined against it.

The following changes were made for macOS builds only:

• Replaced the default Delete keyboard shortcut DEL with Backspace

  • This generally impacts wherever a menu shortcut command or action uses the T2D delete command option.

• Anywhere DEL is hardcoded for a particular action and there is no Backspace action defined, the logic has been switched to work with Backspace instead

  • Hex Color Name Editor - Removing entries
  • Motion Path Panel - Graph widget - Removing curve points
  • CurvesFx - Removing curve point

• Anywhere the Backspace is hardcoded for a particular action and there is no DEL action defined, the logic will remain the same

  • Script console - removing text
  • Stop Motion Panel - Numpad shortcuts active option switches Backspace shortcut to Stop Motion Remove Frame command

• Anywhere a DEL action and a Backspace action is hardcoded with different actions, the logic will remain the same

  • Type Tool - text edit box

[artisteacher]

This works beautifully! This makes life so much easier on macOS!