Fix RichTextLabel not updating

Fix RichTextLabel not updating when changing scroll_active in the editor and in projects

scene/gui/rich_text_label.cpp

@@ -5182,6 +5182,8 @@ void RichTextLabel::set_scroll_active(bool p_active) {
 
 	scroll_active = p_active;
 	vscroll->set_drag_node_enabled(p_active);
+	vscroll->set_visible(p_active);
+	_apply_translation(); // without this, RichLabelText is not updated in the editor/game.
 	queue_redraw();
 }