Mac OS dark mode support

Plex-CLA-1.0-signed-off-by: Tackyou <e970501e@opayq.com>

bundle/osx/Info.plist.in

@@ -34,6 +34,8 @@
 	<string>NSApplication</string>
 	<key>NSHighResolutionCapable</key>
 	<string>True</string>
+	<key>NSRequiresAquaSystemAppearance</key>
+	<string>False</string>
 	<key>LSMinimumSystemVersion</key>
 	<string>10.9</string>
 	<key>NSSupportsAutomaticGraphicsSwitching</key>