Group messages have wrong authors

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

1.0.1

Affected Android/Custom ROM version

Android 14

Affected device model

Samsung Galaxy S22

How did you install the app?

Google Play Store

Steps to reproduce the bug

Set as default app (importing message history from Google Messages), then new messages in a group arrive with incorrect author.

Expected behavior

Messages should be attributed to the correct author.

Actual behavior

The messages are attributed to incorrect authors within the group. I have observed this in groups with 3 to 8 members (plus myself). At times, successive messages from different people are represented as having been from the same person.

Screenshots/Screen recordings

No response

Additional information