Change Event language validation to accept empty string
Allow language to be unset when editing an event
Motivation and context
When creating an event through the UI, if you don't select a language from the drop down, the parameter is passed as "", which causes validation to fail.
Checklist
[x] I have read and followed the CONTRIBUTING guide.
[x] I confirm that I have the authority necessary to make this contribution on behalf of its copyright owner and agree
to license it to the TeSS codebase under the
BSD license.
Summary of changes
Motivation and context
When creating an event through the UI, if you don't select a language from the drop down, the parameter is passed as
"", which causes validation to fail.Checklist