fix useButton href condition (#7239)

Author: mehm8128

packages/@react-aria/button/src/useButton.ts

@@ -75,7 +75,7 @@ export function useButton(props: AriaButtonOptions<ElementType>, ref: RefObject<
     additionalProps = {
       role: 'button',
       tabIndex: isDisabled ? undefined : 0,
-      href: elementType === 'a' && isDisabled ? undefined : href,
+      href: elementType === 'a' && !isDisabled ? href : undefined,
       target: elementType === 'a' ? target : undefined,
       type: elementType === 'input' ? type : undefined,
       disabled: elementType === 'input' ? isDisabled : undefined,