tabtest: Adds a debug label to tabsheet four to verify the tabsheet height value
tabtest: Adds a debug label to tabsheet four to verify the tabsheet height value

wkitty42/fpGUI,wkitty42/fpGUI,wkitty42/fpGUI,wkitty42/fpGUI,wkitty42/fpGUI,wkitty42/fpGUI