Contacts don't show in Maps app

[Thatoo]

Describe the bug

Contacts don't show up in the maps app in Nextcloud.

Context

• Hardware: Old laptop or computer
• YunoHost version: 11.2.5
• I have access to my server: Through SSH | through the webadmin | direct access via keyboard / screen
• Are you in a special context or did you perform some particular tweaking on your YunoHost instance?: no

Steps to reproduce

• open Nextcloud
• open the Maps app
• see "My Contacts" in the left panel charging
• get the following error :

  
  Impossible de charger les contacts:
  504 Gateway Time-out

504 Gateway Time-out nginx

![image](https://github.com/YunoHost-Apps/nextcloud_ynh/assets/464782/9f55e019-265d-4b0d-8a5f-3af628dcf03a)
- Contacts are not listed nor displayed on the map

### Expected behavior

Contacts should be listed in the left panel and displayed on the map.

[tituspijean]

Can you check in the browser Console and Network tabs which requests time out?

[Thatoo]

XHRGET
https://mydomain.tld/nuage-nextcloud/apps/maps/contacts
[HTTP/2 504 Gateway Timeout 63229ms]

GET
    https://mydomain.tld/nuage-nextcloud/apps/maps/contacts
État
504
Gateway Timeout
VersionHTTP/2
Transfert987 o (taille 432 o)
Politique de référentno-referrer

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date
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Is this information sufficient?