avatars: incoherent avatar in conversation list and chat view

Bug report form

Describe your environment

• OS: Linux Mint
• Jami version: 202306200915
• What build you are using: jami-client-qt

Steps to reproduce

• Can you reproduce the bug: at will
• Steps:

  1. change the avatar picture of a jami account (I changed it on my android device)

     2. chat with this account on jami (with the work computer) ...
• Actual result: the avatar picture in the conversation list will be updated but not the one in the chat
• Expected result: both avatar pictures, in the conversation list and the chat view should be updated

Additional information

Screenshots/videos/logs/etc

added bug label

assigned to @cfdamedey

added UI/UX + 1 deleted label

changed the description

closed

mentioned in commit 01cbcbbb

added severitylow label