cli: Fix node update-config errors

* fix hosts not created if config and inventory.index are missing.
* fix segfault if host already exists in inventory
* fix that newly listed node hosts are not added to the config repo
* fix repository removal of remove host/services on remote nodes
* fix missing/wrong locks for dictionaries
* fix missing directory create/chown

fixes #7518
fixes #7878
fixes #7917
fixes #7891