Phone/dialer app doesn't export all contact properties into vCard

/e/ version: 0.17-q-20210621120946-dev-FP3
Device model(s): FP3
Device rooted: no

Summary

The phone/dialer app doesn't export all contact properties into the vCard when exporting a contact.

The problem

Steps to reproduce

Create new contact
Set a user name for the "chat" property and use a custom description for it, e.g.: chat := @john.doe:example.com | description := Matrix
Export the vCard by sharing the contact.

What is the current behavior?

The custom chat property isn't included in the vCard.

What is the expected correct behavior?

The custom chat property should be included in the vCard.

Technical informations

Relevant screenshots

Before exporting:

After re-importing:

The actual vCard's content:

BEGIN:VCARD
VERSION:2.1
N:Doe;John;;;
FN:John Doe
TEL;CELL:1-234-567-89
TEL;WORK:987-654-321
EMAIL;HOME:john.doe@example.com
X-JABBER:john.doe@example.com
END:VCARD

Solutions

Workaround

Make screenshot of contact instead of exporting the vCard.

Possible fixes

???