Conditional region contents visible in source code

@Teodor Thank you for your tutorial.
I was following your tutorial and wanted to hide my menu while user is not logged in.
So I have NodeJS with Header layout, I use conditional region on my container inside header and outcome was: menu was not visible, but still visible in source code.
As a condition I use data from Security provide - data.identity.
Could you please guide me - what I’m missing?

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