[Bug]: Impossible to add an external storage in 29 #44204

⚠️ 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 OR Nextcloud Community Forum (I've searched it).
• Nextcloud Server is up to date. See Maintenance and Release Schedule for supported versions.
• I agree to follow Nextcloud's Code of Conduct.

Bug description

When trying to add an external storage, nothing happens, the UI is broken.

Error is:

Uncaught Error: cannot call methods on tooltip prior to initialization; attempted to call method 'dispose'
    at Function.error (jquery.js:336:1)
    at HTMLSpanElement.<anonymous> (jquery-ui.js:245:1)
    at Function.each (jquery.js:383:1)
    at jQuery.fn.init.each (jquery.js:205:1)
    at $.fn.<computed> [as tooltip] (jquery-ui.js:235:1)
    at MountConfigListView.updateStatus (settings.js:1332:16)
    at MountConfigListView._onChange (settings.js:761:8)
    at executeBound (_executeBound.js:8:1)
    at HTMLInputElement.<anonymous> (bind.js:10:1)
    at HTMLInputElement.<anonymous> (restArguments.js:16:1)

If I comment out the dispose call at

Steps to reproduce

1. Enable files_external application
2. Login as admin and go to settings
3. Attempt to add a local external storage

Expected behavior

Working UI

Installation method

None

Nextcloud Server version

master

Operating system

None

PHP engine version

None

Web server

None

Database engine version

None

Is this bug present after an update or on a fresh install?

Fresh Nextcloud Server install

Are you using the Nextcloud Server Encryption module?

None

What user-backends are you using?

• Default user-backend (database)
• LDAP/ Active Directory
• SSO - SAML
• Other

Configuration report

No response

List of activated Apps

No response

Nextcloud Signing status

No response

Nextcloud Logs

No response

Additional info

No response