silence warning about uninitialized optional

Author: Youda008

Sources/Widgets/ListModel.hpp

@@ -85,6 +85,9 @@ class DropTarget {
 //======================================================================================================================
 //  support structs
 
+#pragma GCC diagnostic push
+#pragma GCC diagnostic ignored "-Wmaybe-uninitialized"  // std::optional sometimes makes false positive warnings
+
 /** Each item of ReadOnlyListModel must inherit from this struct to satisfy the requirements of the model.
   * The following methods should be overriden to point to the appropriate members. */
 struct ReadOnlyListModelItem
@@ -102,6 +105,8 @@ struct ReadOnlyListModelItem
 	}
 };
 
+#pragma GCC diagnostic pop
+
 /** Each item of EditableListModel must inherit from this struct to satisfy the requirements of the model.
   * The following methods should be overriden to point to the appropriate members. */
 struct EditableListModelItem : public ReadOnlyListModelItem