refactor(client): Use symbol

src/client/pages/pages.vue

@@ -37,6 +37,7 @@ import MkPagePreview from '@client/components/page-preview.vue';
 import MkPagination from '@client/components/ui/pagination.vue';
 import MkButton from '@client/components/ui/button.vue';
 import MkTab from '@client/components/tab.vue';
+import * as symbols from '@client/symbols';
 
 export default defineComponent({
 	components: {
@@ -44,7 +45,7 @@ export default defineComponent({
 	},
 	data() {
 		return {
-			INFO: {
+			[symbols.PAGE_INFO]: {
 				title: this.$ts.pages,
 				icon: faStickyNote,
 				action: {