Splitscreen Add Rounded icon

<svg xmlns="http://www.w3.org/2000/svg" viewBox="0 0 24 24" width="24" height="24"><path fill="currentColor" d="M19 20h-1.73q-.213 0-.357-.144t-.144-.357q0-.212.144-.356q.144-.143.356-.143H19v-1.73q0-.213.144-.357t.357-.144q.212 0 .356.144q.143.144.143.356V19h1.73q.213 0 .357.144t.144.357q0 .212-.144.356q-.144.143-.356.143H20v1.73q0 .213-.144.357t-.357.144q-.212 0-.356-.144q-.143-.144-.143-.356zM5.615 10.635q-.69 0-1.152-.463Q4 9.71 4 9.011V5.624q0-.699.463-1.161T5.615 4h12.77q.69 0 1.152.463q.463.462.463 1.16v3.388q0 .699-.462 1.161q-.463.463-1.153.463zm0 9.365q-.69 0-1.152-.462Q4 19.075 4 18.379v-3.374q0-.695.463-1.158t1.152-.462h12.77q.517 0 .902.28q.386.28.54.72v.042q-.11-.03-.221-.037q-.112-.005-.221-.005q-2.043 0-3.493 1.414q-1.45 1.414-1.507 3.432q0 .207.005.394q.006.188.018.375z"/></svg>