fix: empty state is displayed if null

Author: Selemondev

packages/nuxt-ui-vue/src/components/data/Table/UTable.vue

@@ -119,7 +119,11 @@ export default defineComponent({
 
     const indeterminate = computed(() => selected.value && selected.value.length > 0 && selected.value.length < props.rows.length)
 
-    const emptyState = computed(() => ({ ...nuxtLabsTheme.UTable.base.default.emptyState, ...props.emptyState }))
+    const emptyState = computed(() => {
+      if (props.emptyState === null)
+        return null
+      return { ...nuxtLabsTheme.UTable.base.default.emptyState, ...props.emptyState }
+    })
 
     function compare(a: any, z: any) {
       if (typeof props.by === 'string') {