am 3d26769: Merge branch \'readonly-p4-donut\' into donut

Merge commit '3d267690a3295e2d1e6df8fb77cb92625f010480'

* commit '3d267690a3295e2d1e6df8fb77cb92625f010480':
  AI 148457: Allow exchange accounts to be set up without an empty domain