App crashes when putting an emoji in front of another

[escap0x]

Bug Description

When entering an emoji immediately in front of another in the "Write a message" text box by writing its name beginning with : and then selecting it, the app will crash. Please see attached screenshot, clicking on the "💣 - bomb" line in this case will crash the app.

Steps to Reproduce

1. Go to a chat view where you can compose a message
2. Enter an emoji any way you want
3. Go exactly one character back to immediately before the emoji, don't add extra spaces
4. Type :bom and select the bomb emoji from the selection

Expected Behavior

The app does not crash

App Version

1.25.0

Additional Platform Information

Linux, flatpak

Additional Context

No response