Specifies the leading icon of the context menu entry.
The Icon is specified as a string which references a custom Icon in the form: custom:my-icon-id
Default
undefined
OptionalisSeparator?: boolean
Specifies if the context menu entry is handled as a simple separation line.
In that case all other properties except for the visible-Callback are ignored.
Specifies the leading icon of the context menu entry. The Icon is specified as a string which references a custom Icon in the form: custom:my-icon-id