fix: email and username fields rendering in drawers (#7520)

Fixes https://github.com/payloadcms/payload/issues/7428

Now email and username fields are rendered with the RenderFields
component, making them behave similarly to other fields. They now appear
and can respect doc permissions, readOnly settings, etc.

packages/richtext-slate/src/field/RichText.tsx

@@ -58,7 +58,7 @@ const RichTextField: React.FC<
     richTextComponentMap: Map<string, React.ReactNode>
     validate?: RichTextFieldValidation
     width?: string
-  } & FormFieldBase
+  } & Omit<FormFieldBase, 'validate'>
 > = (props) => {
   const {
     name,