Restore on fresh install fail

[rosbeef]

Describe the bug

Restore on fresh ynh install fail

Context

• Hardware: lxc
• YunoHost version:11.2.14
• I have access to my server: all
• Are you in a special context or did you perform some particular tweaking on your YunoHost instance?: yes
  • restore from armhf to arm64
• restore : 0.15.1~ynh2:
• If upgrading, current package version: can be found in the admin, or with yunohost app info $app_id

Steps to reproduce

restore synapse with modification on the backup as in
YunoHost-Apps/synapse_ynh#242 (comment)
https://forum.yunohost.org/t/solved-synapse-fails-to-restore-on-a-fresh-installation/26859
restore app from web or cli

Expected behavior

restore works

Logs

https://paste.yunohost.org/raw/irovujuwom