Fix tabs getting overwritten by double foreach loop

[colemanw]

Overview

This resolves issues with tabs on the contact view page randomly disappearing or duplicating.
Alternative to #22039

Technical Details

There were two foreach loops using the same variable, which was passed to the first by reference.

[civibot]

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[demeritcowboy]

I came across this separately: https://lab.civicrm.org/dev/core/-/issues/2952

Patch works for me.