fix(theme): fix feature component always generating anchor tags

Author: brc-dd

src/client/theme-default/components/VPLink.vue

@@ -11,7 +11,7 @@ const props = defineProps<{
   rel?: string
 }>()
 
-const tag = computed(() => props.tag ?? props.href ? 'a' : 'span')
+const tag = computed(() => props.tag ?? (props.href ? 'a' : 'span'))
 const isExternal = computed(() => props.href && EXTERNAL_URL_RE.test(props.href))
 </script>