+ editor.ui.registry.addIcon('togglefold', '<svg height="24" width="24"><path d="M8.12 19.3c.39.39 1.02.39 1.41 0L12 16.83l2.47 2.47c.39.39 1.02.39 1.41 0 .39-.39.39-1.02 0-1.41l-3.17-3.17c-.39-.39-1.02-.39-1.41 0l-3.17 3.17c-.4.38-.4 1.02-.01 1.41zm7.76-14.6c-.39-.39-1.02-.39-1.41 0L12 7.17 9.53 4.7c-.39-.39-1.02-.39-1.41 0-.39.39-.39 1.03 0 1.42l3.17 3.17c.39.39 1.02.39 1.41 0l3.17-3.17c.4-.39.4-1.03.01-1.42z"/></svg>');
+ editor.ui.registry.addIcon('togglelabel', '<svg height="18" width="18" viewBox="0 0 24 24"><path d="M21.41,11.41l-8.83-8.83C12.21,2.21,11.7,2,11.17,2H4C2.9,2,2,2.9,2,4v7.17c0,0.53,0.21,1.04,0.59,1.41l8.83,8.83 c0.78,0.78,2.05,0.78,2.83,0l7.17-7.17C22.2,13.46,22.2,12.2,21.41,11.41z M6.5,8C5.67,8,5,7.33,5,6.5S5.67,5,6.5,5S8,5.67,8,6.5 S7.33,8,6.5,8z"/></svg>');