The Special:EditGrowthConfig contains a control for selecting one or more namespaces from the local wiki. The exisiting version uses HTMLNamespacesMultiselectField from HTML form on its OOUI display. We need a new control implemented in Vue as a replacement
Config property: GEHelpPanelExcludedNamespaces
Data schema
"GEHelpPanelExcludedNamespaces": { "type": "array", "items": { "type": "number" } },
Existing implementation:
Figma design