Changed default scan title to empty string (from "undefined") for b21/i22/ncdsim

When server is started, title was set to non empty value so user was not asked for title input.
ADMIN: remove dependency that is not required
ADMIN: remove dependency that is not required
Revert "ADMIN: remove dependency that is not required"

This reverts commit d68421034b1ad590a6db5e8e0ed5039bf3a068cf.
Revert "ADMIN: remove dependency that is not required"

This reverts commit 252ef9cd9a2ccb941af4470f1d282e2e2eb1fdce.
GDA-5267: Add error message if exception occurs while setting voltage
GDA-5267: Add standard exception log error message for dummy device