[5.2] Privacy: Allow MFA and invalid privacy consents

[Hackwar]

Pull Request for Issue #42783, #38791.

Summary of Changes

When a user has no valid privacy consent and has MFA enabled, they are stuck in an endless redirect loop.

Testing Instructions

1. Setup a user with MFA
2. Enable the privacyconsent system plugin
3. Login with that user in the frontend

Actual result BEFORE applying this Pull Request

Endless redirect loop between captive view and profile edit view.

Expected result AFTER applying this Pull Request

MFA captive view is displayed and you can type in a MFA code.

Link to documentations

Please select:

• Documentation link for docs.joomla.org:

• No documentation changes for docs.joomla.org needed

• Pull Request link for manual.joomla.org:

• No documentation changes for manual.joomla.org needed

[pe7er]

I have tested this item ✅ successfully on e02d12b

I was able to reproduce the issue: I ended up in an endless loop and could not login. In Firefox I got this message:

After the patch I was able to login.
And the Privacy Policy consent option is displayed in the User Profile

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[alikon]

without pr

with pr
I was able to login.

[alikon]

I have tested this item ✅ successfully on e02d12b

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[alikon]

RTC

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