fix: UI localization on load + update all namespaced locales

client/themes/default/components/page.vue

@@ -141,8 +141,6 @@ import Prism from '@/libs/prism/prism.js'
 import { get } from 'vuex-pathify'
 import _ from 'lodash'
 
-/* global siteLangs */
-
 export default {
   components: {
     StatusIndicator
@@ -261,10 +259,6 @@ export default {
     this.$store.commit('page/SET_UPDATED_AT', this.updatedAt)
 
     this.$store.commit('page/SET_MODE', 'view')
-
-    if (siteLangs.length > 0) {
-      this.$i18n.i18next.changeLanguage(this.locale)
-    }
   },
   mounted () {
     Prism.highlightAllUnder(this.$refs.container)