Resolve "Join page language display, rtl & ltr fixes for safari browser"

src/components/languageMixin.js

@@ -3,18 +3,25 @@ export default {
     return {
       languages: [],
       activeLang:null,
+      displayLanguage: ['en','bo','zh_Hans','ug']
     }
   },
   methods: {
     getLanguages() {
       return this.languages;
+    },
+    updateLanguage(lang) {
+      this.$i18n.locale = lang;
+      this.$store.commit('setLanguage', lang);
     }
   },
   mounted() {
+    const context = this
     for (const locale of Object.keys(this.$i18n.messages)) {
       this.languages.push({
         text: this.$i18n.messages[locale].language_display_name || locale,
         value: locale,
+        display: context.displayLanguage.includes(locale)
       });
     }
   }