bindings bug fix

If binding was blocked in one world, it stayed being blocked in other.

src/logic/scripting/lua/libs/libcore.cpp

@@ -60,6 +60,8 @@ static int l_close_world(lua::State* L) {
     if (save_world) {
         controller->saveWorld();
     }
+    // unblock all bindings
+    Events::enableBindings();
     // destroy LevelScreen and run quit callbacks
     engine->setScreen(nullptr);
     // create and go to menu screen

src/window/Events.cpp

@@ -231,3 +231,10 @@ void Events::loadBindings(
         }
     }
 }
+
+void Events::enableBindings() {
+    for (auto& entry : bindings) {
+        auto& binding = entry.second;
+        binding.enable = true;
+    }
+}

src/window/Events.hpp

@@ -60,4 +60,5 @@ public:
         const std::string& filename, const std::string& source,
         BindType bindType
     );
+    static void enableBindings();
 };