* Editor/Instrument: Enable sample-seek by default.
* Macos: Runs under Macos 11.
* Windows: Antivirus programs should never scan
LADSPA plugins during startup anymore.
* JUCE: Don't allocate memory in realtime code for
VST3 plugins when setting parameter values.
* Editor: Fix "Rec" not being removed immediately
after stopping to record MIDI input.
* Linux: Fix JUCE thread issues which might have
caused glitches in sound when using VST plugins.
* JUCE: Upgrade to V6.0.8. Most important change is
probably support for VST3 plugins on Linux.