Conversation settings should be hidden when waiting for synchronization

Describe your environment

Please specify the following:

• OS: Ubuntu 22.04
• Jami version: 202312211550
• What build you are using: from ubuntu software

Additional information

Kazam_screencast_00012.webm

added good-first-issue bug UI/UX labels

assigned to @sblin

added SprintTo review label

removed SprintTo review label

closed

mentioned in commit 860ddf22