Fixed incorrect rendering of outlines in RichTextLabel (there was a g… #742

Job	Run time
ios-sfml-graphics	43s
android-sdl	6m 10s
ios-sdl	2m 1s
android-sfml-graphics	1m 12s
linux	3m 14s
linux-latest-dev	3m 25s
linux-oldest	2m 55s
linux-per-backend	5m 30s
macos	33s
windows	2m 44s
windows-clang	5m 15s
windows-oldest	6m 13s
windows-static-mt	5m 6s
nightly-build-windows-visual-studio	0s
	45m 1s

Provide feedback