NOISSUE debranding for real, initial work

This is probably very broken on macOS and Windows and will need a lot of work to complete fully.

launcher/pages/modplatform/technic/TechnicModel.cpp

@@ -15,7 +15,7 @@
 
 #include "TechnicModel.h"
 #include "Env.h"
-#include "MultiMC.h"
+#include "Launcher.h"
 #include "Json.h"
 
 #include <QIcon>
@@ -47,7 +47,7 @@ QVariant Technic::ListModel::data(const QModelIndex& index, int role) const
         {
             return (m_logoMap.value(pack.logoName));
         }
-        QIcon icon = MMC->getThemedIcon("screenshot-placeholder");
+        QIcon icon = LAUNCHER->getThemedIcon("screenshot-placeholder");
         ((ListModel *)this)->requestLogo(pack.logoName, pack.logoUrl);
         return icon;
     }