Add 'Unlock All' button in SP (#358)

* Add 'Unlock All' button in SP

* Add 'Unlock All' button in SP
* Hide useless 'Leaderboard' button

* cleanup and format

* fix errors i think

* Revert "fix errors i think"

This reverts commit bbd0287d6fa7a3fd8b4f487b1331250f39522b28.

* Revert "cleanup and format"

This reverts commit a0aeced689e10d0855510784d5cc1ba0aa7362ad.

Co-authored-by: fed <58637860+fedddddd@users.noreply.github.com>
Co-authored-by: m <mjkzyalt@gmail.com>

data/cdata/ui_scripts/patches/__init__.lua

@@ -1,5 +1,6 @@
 if (game:issingleplayer()) then
-	return
+    require("sp_unlockall")
+    return
 end
 
 if (Engine.InFrontend()) then