Use full hostname for webservice overview
Description
The serve_overview page of the webservice provides various links, all which use the server-config/host configuration in the accompanying YAML file. The current value max-exfl016, i.e. without the first-level domain desy.de, does not properly work in instrument control rooms when also using the HTTP proxy exflproxy01 to escape the control network for browsing.
How Has This Been Tested?
It works when adding .desy.de manually. It should work in all other instances where it used to not work.
Types of changes
Bug fix (non-breaking change which fixes an issue)