Merge pull request #5355 from drevantonder/patch-1

Add `disabled` to `SelectButtonContext` type

components/lib/selectbutton/SelectButton.d.ts

@@ -118,6 +118,11 @@ export interface SelectButtonContext {
      * @defaultValue false
      */
     focused: boolean;
+    /**
+     * Current disabled state of the item as a boolean.
+     * @defaultValue false
+     */
+    disabled: boolean;
     /**
      * Available option.
      */