[BUG Report] On using chat, /r sends PM to the sender of a pm before last (last -1)

[killarrow]

Bug in using chat, /r sends PM to the last -1 sender

E.g./ steps to reproduce the bug

AAA tells you: Hello
BBB tells you: Hi
use /r hello BBB
You tell AAA: hello BB

Device: Mobile
OS: Android, kitkat
Happening since: last update on the arena fix.

[Arturohoward]

I think it's supposed to be this way, because before what happened was this:

A tells you: Hi!
You tell A: Hi
A tells you: How are you?
B tells you: Hello
You tell B Fine, you?
B tells you: ?

(You sent "Fine, you?" to B instead of A because while you were typing "/r Fine, you" B sent you a message)