[IMP] mail: guard ComposerSuggestedRecipientListComponent

Task-2797754

closes odoo/odoo#86794

Signed-off-by: Alexandre Kühn (aku) <aku@odoo.com>

addons/mail/static/src/components/composer_suggested_recipient_list/composer_suggested_recipient_list.xml

 <?xml version="1.0" encoding="UTF-8"?>
 <templates xml:space="preserve">
     <t t-name="mail.ComposerSuggestedRecipientList" owl="1">
-        <div class="o_ComposerSuggestedRecipientList" t-attf-class="{{ className }}" t-ref="root">
-            <t t-if="thread">
+        <t t-if="thread">
+            <div class="o_ComposerSuggestedRecipientList" t-attf-class="{{ className }}" t-ref="root">
                 <t t-foreach="state.hasShowMoreButton ? thread.suggestedRecipientInfoList : thread.suggestedRecipientInfoList.slice(0,3)" t-as="recipientInfo" t-key="recipientInfo.localId">
                     <ComposerSuggestedRecipient
                         suggestedRecipientInfoLocalId="recipientInfo.localId"
@@ -20,7 +20,7 @@
                         </button>
                     </t>
                 </t>
-            </t>
-        </div>
+            </div>
+        </t>
     </t>
 </templates>