Chat algorithm issue

[Pratikdate]

Describe the bug
There is issue in chat fetching algorithm.

To Reproduce
Steps to reproduce the behavior:

1. Go to chat
2. Performed some chats
3. From other account performed chat with same one
4. See error

Expected behavior
A continuous chat arrange base on time .

[Screenshots]

Smartphone (please complete the following information):

• Device

[zeba62]

I would like to work on this.
Can you please assign me with this task.
I'm good at DSA.

[Shubham-Zone]

@Pratikdate please assign this to me i am GSSOC'24 contributor and have 2+ years of experience in flutter