Fix collections behavior on side menu (collection queue)

build: nuxeo-server-9.3-I20171117_0114-tomcat
mac OS/Chrome

Steps:

• Click on the collections icon in the side menu
  => the list of collections is displayed
• Click on one of the collection
• Click on one file of the collection
  => the side menu should display now the content of the collection you are in but it stills display the list of collections