[Fixes #138060363] iPad: Document title doesn't get deselected once it is tapped
[Fixes #138060363] iPad: Document title doesn't get deselected once it is tapped

Added event listeners for mousedown and touchstart during componentWillMount

concord-consortium/cloud-file-manager,concord-consortium/cloud-file-manager,concord-consortium/cloud-file-manager,concord-consortium/cloud-file-manager