fix: SMTP shouldn't be configurable without IMAP enabled (#4428)

* fix: Configure SMTP only if IMAP is enabled

app/javascript/dashboard/components/SettingsSection.vue

@@ -7,6 +7,10 @@
       <p class="sub-head">
         {{ subTitle }}
       </p>
+      <p v-if="note">
+        <span class="note">{{ $t('INBOX_MGMT.NOTE') }}</span>
+        {{ note }}
+      </p>
     </div>
     <div class="medium-6 small-12">
       <slot></slot>
@@ -25,6 +29,10 @@ export default {
       type: String,
       required: true,
     },
+    note: {
+      type: String,
+      default: '',
+    },
   },
 };
 </script>
@@ -46,5 +54,9 @@ export default {
   .title--section {
     padding-right: var(--space-large);
   }
+
+  .note {
+    font-weight: var(--font-weight-bold);
+  }
 }
 </style>