Fix develop issues

fixes

• language switcher nonfunctional
• default font size being 16px instead of intended 14px

src/components/interface_language_switcher/interface_language_switcher.vue

@@ -78,6 +78,7 @@ export default {
       },
       set: function (val) {
         this.setLanguage(val)
+        this.$emit('update:modelValue', val)
       }
     }
   },