[3] Routing: Fix notice in NoMenuRule

[Hackwar]

Pull Request for Issue #25837.

Summary of Changes

This is an attempt of fixing the issue described in #25837. Unfortunately I can't replicate the issue and this fix is purely by codereview. Maybe @EricdeWaal can help with this? Does this solve your issue?

Testing Instructions

Due to the circumstances, I don't have test instructions.

[Hackwar]

#34050 would fix this in J4.

[joomdonation]

I have tested this item ✅ successfully on a413c30

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[richard67]

I have tested this item ✅ successfully on a413c30

Code review.

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[richard67]

RTC

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[chmst]

Thanks!