Peer read indicator can be dragged

Describe your environment

• OS: Ubuntu 22.04.2 LTS
• Jami version: Világfa 202303131334
• What build you are using: apt install Jami

Steps to reproduce

• Can you reproduce the bug: at will
• Steps:
  1. Create a conversation and exchange some messages. 2. Click on the peer read indicator. You can move it.

Additional information

Kazam_screencast_00007

added good first issue label

changed the description

added ui/ux label

assigned to @sblin

added sprintto review label

mentioned in commit 2321aeeb

removed sprintto review label

closed