Update broadcast form to take a timezone into account
Problem to solve
Broadcast messages form should accept timezone settings into account. Instead of just showing UTC time.
Further details
This will make it easier for customer that have a timezone configured to set a broadcast message.
Proposal
We should take into account the timezone that has been configured.
Zendesk: https://gitlab.zendesk.com/agent/tickets/129973 (internal)
Edited by Ronald van Zon