Expand/shrink composer with recipient info reloads recipient data

[ChristophWurst]

Steps to reproduce

1. Save a contact with an email address
2. Compose an email to that contact
3. See the recipient info at the right
4. Expand the composer to hide the recipient info
5. Shrink the composer to show the recipient info

Expected behavior

Previously loaded recipient info is shown instantly.

Actual behavior

Recipient info is loaded again.

Mail app version

4.3

Nextcloud version

No response

Mailserver or service

No response

Operating system

No response

PHP engine version

None

Nextcloud memory caching

No response

Web server

None

Database

None

Additional info

No response