Fixed crash that could occur in ListView when it's size was near 0 #593

Job	Run time
ios-sdl	3m 21s
android-sfml-graphics	2m 14s
ios-sfml-graphics	1m 1s
android-sdl	4m 48s
linux	4m 54s
linux-oldest	2m 50s
linux-latest-dev	3m 59s
linux-per-backend	4m 36s
macos	3m 17s
windows-clang	4m 50s
windows-oldest	5m 35s
windows-sfml-sdl	1m 58s
windows-static-mt	4m 23s
nightly-build-windows-visual-studio	5m 53s
	53m 39s

Provide feedback