Use `activatePane`, not `changeFocus`
Use `activatePane`, not `changeFocus`

In call to Workspace::open

tomekwi/tree-view,jarig/tree-view,benjaminRomano/tree-view,pombredanne/tree-view-1,atom/tree-view,Galactix/tree-view,thgaskell/tree-view,ayumi/tree-view,tbryant/tree-view,jasonhinkle/tree-view,learn-co/learn-ide-tree,matthewbauer/tree-view,samu/tree-view,laituan245/tree-view,cgrabowski/webgl-studio-tree-view