TF-3517 Fix "Reply to *me*" field is added when save an email as draft

Signed-off-by: dab246 <tdvu@linagora.com>

lib/features/composer/domain/usecases/create_new_and_save_email_to_drafts_interactor.dart

@@ -89,7 +89,9 @@ class CreateNewAndSaveEmailToDraftsInteractor {
     try {
       final emailCreated = await _composerRepository.generateEmail(
         createEmailRequest,
-        withIdentityHeader: true);
+        withIdentityHeader: true,
+        isDraft: true,
+      );
       return emailCreated;
     } catch (e) {
       logError('CreateNewAndSaveEmailToDraftsInteractor::_createEmailObject: Exception: $e');

lib/features/composer/domain/usecases/save_composer_cache_on_web_interactor.dart

@@ -26,7 +26,9 @@ class SaveComposerCacheOnWebInteractor {
     try {
       final emailCreated = await _composerRepository.generateEmail(
         createEmailRequest,
-        withIdentityHeader: true);
+        withIdentityHeader: true,
+        isDraft: true,
+      );
       await _composerCacheRepository.saveComposerCacheOnWeb(
         accountId: accountId,
         userName: userName,