IO-1937 Update email sizing error message.

client/src/components/email-documents/email-documents.component.jsx

@@ -23,7 +23,7 @@ export default connect(
 
 export function EmailDocumentsComponent({
   emailConfig,
-
+  form,
   selectedMediaState,
 }) {
   const { t } = useTranslation();
@@ -48,7 +48,8 @@ export function EmailDocumentsComponent({
       {selectedMedia &&
       selectedMedia
         .filter((s) => s.isSelected)
-        .reduce((acc, val) => (acc = acc + val.size), 0) >= 9961472 ? (
+        .reduce((acc, val) => (acc = acc + val.size), 0) >=
+        10485760 - new Blob([form.getFieldValue("html")]).size ? (
         <div style={{ color: "red" }}>{t("general.errors.sizelimit")}</div>
       ) : null}
       {data && (