tree: variables have no rightclick menu and can be dragged
tree: variables have no rightclick menu and can be dragged

HelioGuilherme66/RIDE,HelioGuilherme66/RIDE,HelioGuilherme66/RIDE,robotframework/RIDE,caio2k/RIDE,caio2k/RIDE,HelioGuilherme66/RIDE,robotframework/RIDE,robotframework/RIDE,fingeronthebutton/RIDE,fingeronthebutton/RIDE,caio2k/RIDE,fingeronthebutton/RIDE,robotframework/RIDE