Returns the explorer as the inner markup of an admin console page: its
stylesheet, the #app element the script reads, and the script tag.
specUrl (the OpenAPI document), scriptUrl, version,
realmPrefix, and token, who and scope describing the access token
minted for the session; with no token the page says that Try it will be
refused
the markup for inside the console's shell
Forwards to
AdminApiDocs.consoleBody()on the installed instance.