Improve the definition of disconnecting the current file
Improve the definition of disconnecting the current file

* let the client know we are complete so it can remove any splash screens or wait signals it may be displaying.
* reset the state.
* remove the provider

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