Work around bug where doc list is active but its el has no parent
Work around bug where doc list is active but its el has no parent

No idea what's going on :/

TypeError: Cannot read property 'removeChild' of null
  at HTMLDivElement.<anonymous>()
  at o.app.views.ListFold.o.onClick()
  at o.app.views.ListFold.o.toggle()
  at o.app.views.ListFold.o.close()
  at Function.$.trigger()
  at HTMLDivElement.<anonymous>()
  at o.app.views.DocList.o.onClose()
  at o.app.View.e.detach()
  at Function.$.remove()

yosiat/devdocs,yosiat/devdocs,yosiat/devdocs,rlugojr/devdocs,abougouffa/devdocs,mnquintana/devdocs,mnquintana/devdocs,webcoding/devdocs,hyjk2000/devdocs,rlugojr/devdocs,webcoding/devdocs,hyjk2000/devdocs,webcoding/devdocs,abougouffa/devdocs,rlugojr/devdocs