App crashes when first message sent to a contact it's a MMS

[Just-Regis]

Checklist

• [x] I can reproduce the bug with the latest version given here.
• [x] I made sure that there are no existing issues - open or closed - to which I could contribute my information.
• [x] I made sure that there are no existing discussions - open or closed - to which I could contribute my information.
• [x] I have read the FAQs inside the app (Menu -> About -> FAQs) and my problem isn't listed.
• [x] I have taken the time to fill in all the required details. I understand that the bug report will be dismissed otherwise.
• [x] This issue contains only one bug.
• [x] I have read and understood the contribution guidelines.

Affected app version

1.6.0

Affected Android/Custom ROM version

Android 10

Affected device model

Xiaomi Mi 9 Lite

How did you install the app?

F-Droid / IzzyOnDroid

Steps to reproduce the bug

1. Choose a picture to share by message
2. Choose a contact you never write before
3. Send message

Expected behavior

• Message is sent
• Message is visible in conversation list
• Message is visible in conversation

Actual behavior

• Message is sent
• Message is visible in conversation list
• Impossible to see message in conversation, app crashes when you try to open it
• When you receive a reply, you can open conversation without app crashes, reply is visible in conversation, but the first MMS sent it's missing (it reappears after... but didn't see when)

Screenshots/Screen recordings

No response

Additional information

No response