fix: sentry issues [CW-2222][CW-2232] (#7591)

app/javascript/dashboard/modules/search/components/MessageContent.vue

@@ -49,13 +49,20 @@ export default {
     },
   },
   mounted() {
-    this.$nextTick(() => {
-      const wrap = this.$refs.messageContainer;
-      const message = wrap.querySelector('.message-content');
-      this.isOverflowing = message.offsetHeight > 150;
-    });
+    this.$watch(() => {
+      return this.$refs.messageContainer;
+    }, this.setOverflow);
+
+    this.$nextTick(this.setOverflow);
   },
   methods: {
+    setOverflow() {
+      const wrap = this.$refs.messageContainer;
+      if (wrap) {
+        const message = wrap.querySelector('.message-content');
+        this.isOverflowing = message.offsetHeight > 150;
+      }
+    },
     escapeHtml(html) {
       var text = document.createTextNode(html);
       var p = document.createElement('p');

app/javascript/dashboard/routes/dashboard/conversation/contact/ConversationForm.vue

@@ -242,7 +242,9 @@ export default {
       get() {
         const inboxList = this.contact.contactableInboxes || [];
         return (
-          inboxList.find(inbox => inbox.inbox.id === this.targetInbox.id) || {
+          inboxList.find(inbox => {
+            return inbox.inbox?.id && inbox.inbox?.id === this.targetInbox?.id;
+          }) || {
             inbox: {},
           }
         );