bug: New unicode emojis not visible in reactions

[Gummikavalier]

Describe the Bug

Newer (relatively) unicode emojis are not visible in the RC mobile client.

Steps to Reproduce

1. Post a message using the web client.
2. React to the message with 🫡 ( :saluting_face: ) using the web client
3. Check the message and the reaction with the mobile client

Expected Behavior

You should see the reaction 🫡 1

Actual Behavior

You see the reaction :saluting_face: 1

Rocket.Chat Server Version

8.7.0

Rocket.Chat App Version

4.75.0.109474

Device Name

iPhone, Android (generic)

OS Version

iOS 26.6 and Android 15

Additional Context

RC 8.7.0 switched to use unicode based emojis instead of JoyPixels set. Probably related.