Merge pull request #11256 from djrm/pr_visual_improvements

Visual improvements and new look for VS

editor/editor_file_dialog.cpp

@@ -1299,6 +1299,7 @@ EditorFileDialog::EditorFileDialog() {
 	pathhb->add_child(refresh);
 
 	favorite = memnew(ToolButton);
+	favorite->set_flat(true);
 	favorite->set_toggle_mode(true);
 	favorite->connect("toggled", this, "_favorite_toggled");
 	pathhb->add_child(favorite);