Person email search result contains emails sent *to* the person by others

[nix-universe]

Preconditions:

• You have at least two people in your email contacts, say Alice and Bob.
• Bob wrote at least one email with you and Alice being among the recipients.

Steps to Reproduce:

Select 'Mail' -> 'People' -> Select Alice.

Actual Behaviour

In the Email Search Results for Alice, you will see your correspondence with Alice AND the email(s) from Bob to Alice and you.
As a side effect, when selecting one of such emails, the search result will switch to that of the author person (Bob).

Expected Result

Only emails between you and Alice are shown in the search result.