vc audiotriggers properties - fix: old icon still displayed in info column when switching bar type
audiotriggersproperties - fix crashes when selection no function or no widget in selection popups
fix previous commit
Improve VCWidgetSelection, now impossible to select no widget to prevent crashes in future uses
function selection: double click on a folder/catefory does not validate the input
audio trigger properties function selection: disable multi selection
Merge pull request #320 from plugz/audiotriggersproperties-fix

VC Audio triggers properties - fix crashes