Refactoring of i18n (#3165)

Refactoring of i18n

src/client/app/desktop/views/components/drive.nav-folder.vue

@@ -8,13 +8,15 @@
 	@drop.stop="onDrop"
 >
 	<i v-if="folder == null" class="cloud"><fa icon="cloud"/></i>
-	<span>{{ folder == null ? '%i18n:common.drive%' : folder.name }}</span>
+	<span>{{ folder == null ? $t('@.drive') : folder.name }}</span>
 </div>
 </template>
 
 <script lang="ts">
 import Vue from 'vue';
+import i18n from '../../../i18n';
 export default Vue.extend({
+	i18n: i18n(),
 	props: ['folder'],
 	data() {
 		return {