v5.6.2.0-beta

• Fix script-opts files being ignored, removed options are:
  script-opts = osc-scalewindowed=1.5,osc-hidetimeout=2000,console-scale=1.5
• Update MediaInfo to version 21.9.0.0 and
  write version and date in About dialog.
• Provide setup options in command palette to ensure backward
  compatibility with previous input.conf definitions.