chore: Move missing text to translation files (#1501)

app/javascript/dashboard/components/widgets/conversation/Message.vue

@@ -121,7 +121,7 @@ export default {
 
       return this.data.message_type === 1 && !this.isHovered && sender
         ? {
-            content: `Sent by: ${sender.name}`,
+            content: `${this.$t('CONVERSATION.SENT_BY')} ${sender.name}`,
             classes: 'top',
           }
         : false;