Working create folder functionality

Creates a folder in the background and passes the new id to getDocs to
trigger a working flow. The display conditions for creating a new doc
are also resolved. TODO: disable the save button so you can’t create
multiple citations/files by clicking twice.
Disabled save button during a request

Blocking save behavior during requests and when menu is open. Visual
class is also in effect. TODO: consider setting the visual style to an
active state instead of a disabled state. This is already kind of
achieved by not triggering .fade