fix(richtext-*): extra fields not being iterated correctly (#3693)

packages/richtext-slate/src/field/elements/link/utilities.tsx

@@ -64,7 +64,9 @@ export function transformExtraFields(
 
   // Wrap fields which are not part of the base schema in a group named 'fields' - otherwise they will be rendered but not saved
   const extraFields = []
-  fields.forEach((field) => {
+  for (let i = fields.length - 1; i >= 0; i--) {
+    const field = fields[i]
+
     if ('name' in field) {
       if (
         !baseFields.find((baseField) => !('name' in baseField) || baseField.name === field.name)
@@ -76,7 +78,7 @@ export function transformExtraFields(
         }
       }
     }
-  })
+  }
 
   if (Array.isArray(customFieldSchema) || fields.length > 0) {
     fields.push({