Re-opened: Long Waiting Time when looking for a name/mailadress to share a poll with

[ZID-TU-Graz-Collab]

⚠️ This issue respects the following points: ⚠️

• This is a bug, not a question or a configuration/webserver/proxy issue.
• This issue is not already reported on Github (I've searched it).
• I agree to follow Nextcloud's Code of Conduct.

What went wrong, what did you observe?

Reopening of #3366

Problem still exists.
The Time searching for a name, when sharing a poll can take up to over 2min, it differs greatly from the duration, searching a name when sharing a file.

What did you expect, how polls should behave instead?

What steps does it need to replay this bug?

Installation method

Installed/updated from the appstore (Apps section of your site)

Installation type

Updated from a minor version within same major version (i.e. 4.0.0 to 4.1.1)

Affected polls version

7.2.4

Which browser did you use, when experiencing the bug?

• Firefox
• Chrome
• Chromium/Chromium based (i.e. Edge)
• Safari
• Other/Don't know

Other browser

No response

Add your browser log here

Additional client environment information

No response

NC version

Nextcloud 27

Other Nextcloud version

No response

PHP engine version

PHP 8.0

Other PHP version

No response

Database engine

MySQL

Database Engine version or other Database

No response

Which user-backends are you using?

• Default user-backend (database)
• LDAP/ Active Directory
• SSO - SAML
• Other/Don't know

Add your nextcloud server log here

Additional environment informations

No response

Configuration report

List of activated Apps

Nextcloud Signing status

Additional Information

No response

[dartcafe]

I can't tell, what the reason is, if the requested information is missing. We are now a few versions further than #3366.
Provide it here by editing the initial post or open a new issue and use the offered form.