Fix invalid attribute for role="combobox"

[Almusweb]

When the combobox is expanded, authors MUST set aria-controls on the textbox element to a value that refers to the combobox popup element.

Required States and Properties:

• aria-controls

Inherited States and Properties:

• aria-owns

https://www.w3.org/TR/wai-aria-1.1/#combobox