Description:

If the user hovers over icons like Emoji picker or microphone or '+' icon, the cursor changes to pointer but the icon color remains the same.

Steps to reproduce:

1. Open any room, and Try hovering over any of the mentioned icons.

Expected behavior:

We can add a hover effect for changing the colour of the icon.

Actual behavior:

Only cursor changes to pointer.

Server Setup Information:

• Version of Rocket.Chat Server: 3.13.0-develop
• Operating System: linux
• Deployment Method:
• Number of Running Instances:
• DB Replicaset Oplog:
• NodeJS Version: 12.18.4 - x64
• MongoDB Version: 4.2.8

Client Setup Information

• Desktop App or Browser Version: Chrome 88.0
• Operating System: Windows 10

Additional context