Merge pull request #37825 from qarmin/leak_with_drives

Fixes leak with drives [3.2]

editor/editor_file_dialog.cpp

@@ -1557,6 +1557,7 @@ EditorFileDialog::EditorFileDialog() {
 
 	drives = memnew(OptionButton);
 	drives->connect("item_selected", this, "_select_drive");
+	pathhb->add_child(drives);
 
 	dir = memnew(LineEdit);
 	pathhb->add_child(dir);

scene/gui/file_dialog.cpp

@@ -916,6 +916,7 @@ FileDialog::FileDialog() {
 
 	drives = memnew(OptionButton);
 	drives->connect("item_selected", this, "_select_drive");
+	hbc->add_child(drives);
 
 	dir = memnew(LineEdit);
 	hbc->add_child(dir);