Update PauseOnLayer HelpText to indicate pause is before layer
Update PauseOnLayer HelpText to indicate pause is before layer

- Issue MatterHackers/MCCentral#4721

larsbrubaker/MatterControl,larsbrubaker/MatterControl,unlimitedbacon/MatterControl,mmoening/MatterControl,jlewin/MatterControl,unlimitedbacon/MatterControl,jlewin/MatterControl,mmoening/MatterControl,larsbrubaker/MatterControl,unlimitedbacon/MatterControl,mmoening/MatterControl,jlewin/MatterControl,jlewin/MatterControl,larsbrubaker/MatterControl,unlimitedbacon/MatterControl