Override NSApplicationUpdateCycleEnabled to fix reduced mouse polling rate

Apps built with the macOS 26+ SDK default to an event loop synchronized to the display which caps input polling rates.

We have to use the plist for the opt-out, since NSApp is already set up by Qt before SDL can set this default.

Fixes #2036

app/Info.plist

@@ -8,6 +8,8 @@
 	<string>Moonlight</string>
 	<key>LSSupportsGameMode</key>
 	<true/>
+	<key>NSApplicationUpdateCycleEnabled</key>
+	<false/>
 	<key>CFBundleGetInfoString</key>
 	<string>Stream games and other applications from another PC</string>
 	<key>CFBundleIconFile</key>