[C-2606] Automatic merging through domains & emails

[nunoeufrasio]

Describe the Problem

Currently, we have contacts with the same domain, which could be merged automatically.

Describe the Improvement

Do automatic merging for contacts based on domain & emails.

Additional Context

For organizations, make sure we are doing the same Discussion on removal of organizations auto-merge from enrichment

_{From SyncLinear.com | C-2606}

[jonathimer]

is this really a "quick win"?