Finish MxControlPresenter (#505)

* Push changes

* fix order

* use MxBitmap::Start

* Fixes/changes

---------

Co-authored-by: Christian Semmler <mail@csemmler.com>

LEGO1/omni/include/mxcompositepresenter.h

@@ -46,6 +46,8 @@ public:
 		return TRUE;
 	} // vtable+0x64
 
+	inline MxCompositePresenterList& GetList() { return m_list; }
+
 protected:
 	MxCompositePresenterList m_list; // 0x40
 };