"symbol levels" help button does not work

[qgib]

Author Name: Harrissou Santanna (@DelazJ)
Original Redmine Issue: 10725
Affected QGIS version: master
Redmine category:gui

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Open a layer Properties Dialog
Go to Style Tab and click on the Advanced button in right bottom of the dialog and select "symbol levels"
In the dialog opened, click on the help button.
Nothing happens. It seems there is no doc related.

[qgib]

Author Name: Giovanni Manghi (@gioman)

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• category_id was changed from Documentation and Help to GUI
• subject was changed from The help button does not work to "symbol levels" help button does not work

[qgib]

Author Name: Alexander Bruy (@alexbruy)

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Help button removed in master. Please reopen if necessary

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• resolution was changed from to fixed/implemented
• status_id was changed from Open to Closed