Re-Add color overlay (#311)

* fixed Chaperone toggle, toggle state on launch

* made update rates based on variable frame rate assuming 90 default

* added overlay color back in

* fixed opacity value not synching

* updated to ovr 1.8.19

* fixed license issue

* rolled back ovr update

* fixed overlay toggle state, formatting, and clamped max opacity to .85%

build_scripts/qt/resources.pri

@@ -49,6 +49,7 @@ DISTFILES += \
 	src/res/qml/video_page/miscvid/* \
 	src/res/qml/video_page/profiles/* \
 	src/res/qml/video_page/dialogboxes/* \
+	src/res/qml/video_page/overlaycolorbright/* \
     src/res/qml/common/* \
     src/res/qml/desktop_overlay_page/* \
     src/res/qml/desktop_overlay_page/translation_left_right/SteamDesktopTranslationLeftRight.qml \