Fix module name comparison

This was comparing a string with a QChar on the right hand side, which only
happened to compile with Qt5's implicit QString ctors but didn't actually
ever match. With Qt6 this fails to compile.

icons/IconMode.cpp

@@ -135,7 +135,7 @@ void IconMode::changeModule(const QModelIndex &activeModule)
 {
     // Already loaded?
     MenuItem *item = activeModule.data(Qt::UserRole).value<MenuItem *>();
-    if (d->moduleView->activeModuleName() == &item->name())
+    if (d->moduleView->activeModuleName() == item->name())
         return;
 
     changeModuleWithArgs(activeModule, QStringList());