Fix error when creating a conversation from search results

[Antreesy]

☑️ Resolves

• Regression from Add Avatar editor to new conversation dialog #9465

To test:

• have a user group (admin is default one)
• type group name in search field
• click on a search result -> create conversation modal should be opened

🖼️ Screenshots

🏚️ Before	🏡 After

🚧 Tasks

• Test on browser

🏁 Checklist

• ⛑️ Tests (unit and/or integration) are included or not required
• 📘 API documentation in docs/ has been updated or is not required
• 📗 User documentation in https://github.com/nextcloud/documentation/tree/master/user_manual/talk has been updated or is not required
• 🔖 Capability is added or not needed

[Antreesy]

/backport to stable27

[ShGKme]

🦤