Merge pull request #1396 from RytoEX/dark-theme-fixes

UI: Fix disabled items in Dark theme being too light

UI/data/themes/Dark.qss

@@ -55,9 +55,9 @@ OBSTheme {
 }
 
 OBSTheme::disabled {
-    text: rgb(200,199,200); /* lighter */
-    buttonText: rgb(200,199,200); /* lighter */
-    brightText: rgb(200,199,200); /* lighter */
+    text: rgb(122,121,122); /* light */
+    buttonText: rgb(122,121,122); /* light */
+    brightText: rgb(122,121,122); /* light */
 }
 
 OBSTheme::inactive {