Add logging for CC workers when it starts

[#62957536]

Signed-off-by: Phan Le <ple@pivotallabs.com>
Refactor worker tasks

[#62957536]

Signed-off-by: Phan Le <ple@pivotallabs.com>
Mapping a shared domain to an org is backward compatible.

[finished #63337780]

Signed-off-by: Phan Le <ple@pivotallabs.com>