Changing topic also changes channel display name

[hloeung]

Hi,

When changing topic via IRC, it seems also the channel display name is changed.

|08:21 [Users #haw-test]
|08:21 [ hloeung]
|08:21 -!- Irssi: #haw-test: Total of 1 nicks [0 ops, 0 halfops, 0 voices, 1
normal]
|08:21 -!- Topic unset by mattermost on #haw-test
|08:21 -!- Irssi: Join to #haw-test was synced in 3 secs
|08:21 -!- hloeung changed the topic of #haw-test to: Testing...
|08:21 -!- hloeung changed the topic of #haw-test to: testing...
|08:21 <hloeung> hloeung updated the channel display name from: Haw Test to:
|08:21 -!- hloeung changed the topic of #haw-test to: testing... 12345
|08:21 <hloeung> hloeung updated the channel display name from: Haw Test to:
|08:22 -!- hloeung changed the topic of #haw-test to: testing... topic change
|08:22 <hloeung> hloeung updated the channel display name from: Haw Test to:

And as seen via the Mattermost web UI:

System 8:21 AM
You joined the channel.
System 8:21 AM
@hloeung updated the channel header to: Testing...
System 8:21 AM
hloeung updated the channel display name from: Haw Test to:
System 8:21 AM
hloeung updated the channel display name from: Haw Test to:
System 8:22 AM
hloeung updated the channel display name from: Haw Test to: