SQSERVICES-377 fix email verification when external id is updated via SCIM#2374

battermann merged 3 commits intodevelopwireapp/wire-server:developfrom

SQSERVICES-377-changing-external-id-via-scim-doesnt-update-emailwireapp/wire-server:SQSERVICES-377-changing-external-id-via-scim-doesnt-update-emailCopy head branch name to clipboard