feat: Create modal to merge two contacts (#2457)

app/javascript/dashboard/modules/contact/components/MergeContactSummary.vue

@@ -5,7 +5,7 @@
     </h5>
     <ul class="summary-items">
       <li>
-        <span>❌</span>
+        <span class="bullet">❌</span>
         <span
           v-html="
             $t('MERGE_CONTACTS.SUMMARY.DELETE_WARNING', {
@@ -15,7 +15,7 @@
         />
       </li>
       <li>
-        <span>✅</span>
+        <span class="bullet">✅</span>
         <span
           v-html="
             $t('MERGE_CONTACTS.SUMMARY.ATTRIBUTE_WARNING', {
@@ -59,4 +59,9 @@ export default {
     margin-bottom: var(--space-smaller);
   }
 }
+
+.bullet {
+  display: inline-block;
+  margin-right: var(--space-smaller);
+}
 </style>