fix: add back column break that was lost in merge

frappe/custom/doctype/customize_form/customize_form.json

@@ -266,6 +266,16 @@
    "label": "Actions",
    "options": "DocType Action"
   },
+  {
+   "fieldname": "default_email_template",
+   "fieldtype": "Link",
+   "label": "Default Email Template",
+   "options": "Email Template"
+  },
+  {
+   "fieldname": "column_break_26",
+   "fieldtype": "Column Break"
+  },
   {
    "collapsible": 1,
    "fieldname": "naming_section",