Description:
When typing D: in a chat, this part of the message is rendered as :fearfulc:.
Steps to reproduce:
- Type
D:.
Expected behavior:
The text is rendered as D:.
Actual behavior:
The text is rendered as :fearfulc:.

In edit mode:

Server Setup Information:
- Version of Rocket.Chat Server: 5.1.3
- Operating System: Debian GNU/Linux 11.5
- Deployment Method: Docker
- Number of Running Instances: 1
- DB Replicaset Oplog: ?
- NodeJS Version: v14.19.3
- MongoDB Version: 5.0.12 / wiredTiger
Client Setup Information
- Desktop App or Browser Version: Chromium 105.0.5195.125 (Offizieller Build) Arch Linux (64-Bit), Firefox 105.0 (64-bit), but should be observable in any browser.
- Operating System: Arch Linux
Additional context
This problem was already mentioned in a comment to another issue which has been closed in the meantime: #26485 (comment)
The problem can be observed in the app as well:

In the channel list it is even rendered as an emoji:

Description:
When typing
D:in a chat, this part of the message is rendered as:fearfulc:.Steps to reproduce:
D:.Expected behavior:
The text is rendered as
D:.Actual behavior:
The text is rendered as
:fearfulc:.In edit mode:
Server Setup Information:
Client Setup Information
Additional context
This problem was already mentioned in a comment to another issue which has been closed in the meantime: #26485 (comment)
The problem can be observed in the app as well:
In the channel list it is even rendered as an emoji: