"Discard changes" when resuming empty composer

[ChristophWurst]

Steps to reproduce

1. Configure two accounts
2. Click New message
3. Change sender from first to second account
4. Click outside the modal to close it
5. Click New message again

Expected behavior

New composer modal

Actual behavior

Confirm dialogue

Mail app version

3.3

Mailserver or service

No response

Operating system

No response

PHP engine version

None

Web server

None

Database

None

Additional info

#8338 👀 @st3