ENGCOM-5535: Resolve Field "Billing ZIP Code" shows and disappears immediately in "Orders and Returns" form #23747

Author: VladimirZaets

app/code/Magento/Sales/view/frontend/templates/guest/form.phtml

@@ -48,7 +48,7 @@
                        data-validate="{required:true, 'validate-email':true}"/>
             </div>
         </div>
-        <div id="oar-zip" class="field zip required">
+        <div id="oar-zip" style="display: none;" class="field zip required">
             <label class="label" for="oar_zip"><span><?= $block->escapeHtml(__('Billing ZIP Code')) ?></span></label>
 
             <div class="control">