Fit grid with label and component of editor

scene/gui/box_container.cpp

@@ -308,6 +308,7 @@ MarginContainer *VBoxContainer::add_margin_child(const String &p_label, Control
 	l->set_text(p_label);
 	add_child(l);
 	MarginContainer *mc = memnew(MarginContainer);
+	mc->add_constant_override("margin_left", 0);
 	mc->add_child(p_control);
 	add_child(mc);
 	if (p_expand)