Avoid unnecessary filename comparisons

When constructing PluginSortingData.

src/api/sorting/plugin_sorting_data.cpp

@@ -76,6 +76,7 @@ PluginSortingData::PluginSortingData(
   for (size_t i = 0; i < loadOrder.size(); i++) {
     if (CompareFilenames(plugin->GetName(), loadOrder.at(i)) == 0) {
       loadOrderIndex_ = i;
+      break;
     }
   }