[Bug]: How to search by table group #20386

Describe the bug

PMA has a feature (broken or incorrectly implemented) which allows you to search by table group, i.e. when tables have a shared prefix you can view only the tables that belong to that group. It seems to work when I put the tbl_group parameter in the URL query manually, but I cannot figure out where the option is in the UI.

There is a problem with it though. PMA allows string or string array as a value for NavigationTreeTableSeparator, but the search feature accepts only strings. I am trying to fix it, but I do not understand how the feature behaves, nor whether it's a bug that the value can be an array.

How to Reproduce

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Expected behavior

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Screenshots

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Operating System

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Web Server

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Database Server

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Database version

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PHP version

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phpMyAdmin version

6.0.0

browser

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Additional context

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