Loader refactored (#235)

- Moved all Loader functionality into Loader class
- Improvement for Dispatcher construction
- Dispatcher and DispatcherThread: you can now specify the timeout when calling `dispatch()`. Default timeout is max timeout.

Tactility/Private/Tactility/service/loader/Loader_i.h

@@ -24,10 +24,7 @@ public:
     std::shared_ptr<const Bundle> _Nullable parameters;
 
     LoaderMessageAppStart() = default;
-
-    LoaderMessageAppStart(LoaderMessageAppStart& other) :
-        id(other.id),
-        parameters(other.parameters) {}
+    LoaderMessageAppStart(LoaderMessageAppStart& other) = default;
 
     LoaderMessageAppStart(const std::string& id, std::shared_ptr<const Bundle> parameters) :
         id(id),
@@ -37,16 +34,22 @@ public:
     ~LoaderMessageAppStart() = default;
 };
 
+class LoaderMessageAppStop {
+public:
+    std::string id;
+
+    LoaderMessageAppStop() = default;
+    LoaderMessageAppStop(LoaderMessageAppStop& other) = default;
+
+    LoaderMessageAppStop(const std::string& id) : id(id) {}
+
+    ~LoaderMessageAppStop() = default;
+};
+
 // endregion LoaderMessage
 
 struct Loader {
-    std::shared_ptr<PubSub> pubsubExternal = std::make_shared<PubSub>();
-    Mutex mutex = Mutex(Mutex::Type::Recursive);
-    std::stack<std::shared_ptr<app::AppInstance>> appStack;
-    /** The dispatcher thread needs a callstack large enough to accommodate all the dispatched methods.
-     * This includes full LVGL redraw via Gui::redraw()
-     */
-    std::unique_ptr<DispatcherThread> dispatcherThread = std::make_unique<DispatcherThread>("loader_dispatcher", 6144); // Files app requires ~5k
+
 };
 
 } // namespace