Colored syntax in code snippets do not show on channel discussions with dark theme, but will show during edit mode or in chats.
Encountered on Windows desktop client.
1. Set theme to Dark
2. Go to a channel
3. Start a conversation with a code snippet
5. Observe how there is colored syntax while in edit mode.
6. Observe how there is no colored syntax once out of edit mode.
Do the same thing in a chat, and observe how colored syntax works as expected in both edit and non-edit states.