NEW: [STUDIO-2476] design_staffpick

This reverts commit 4d13a44a2e4136d0c2e173e367e13f6a6ba00670.

Reason for revert: 123

Change-Id: I008a0ab3540589e5938fb3e1814571e00c467227

src/libslic3r/AppConfig.cpp

@@ -292,6 +292,10 @@ void AppConfig::set_defaults()
         set("max_recent_count", "18");
     }
 
+    if (get("staff_pick_switch").empty()) {
+        set_bool("staff_pick_switch", true);
+    }
+
     if (get("sync_system_preset").empty()) {
         set_bool("sync_system_preset", true);
     }