tdf#119610 tdf#112634: Don't show broken connections - RevB
This changes LO 6.0 commit
75a881829f19439245cdb859fc16d59461992f79
to use a light-weight check to see if a database exists.
The previous way made a connection, which is extremely
expensive if there is a password, or if network traffic
needs to timeout, etc. And if there are multiple
registered databases like that...
Change-Id: I980cb6979cfc7cae8f1251f3459718192459aaee
Reviewed-on: https://gerrit.libreoffice.org/c/core/+/109242
Tested-by: Jenkins
Reviewed-by: Justin Luth <justin_luth@sil.org>