TF-2667 Show sending message dialog when click send button

lib/features/email/data/datasource_impl/email_datasource_impl.dart

@@ -42,7 +42,7 @@ class EmailDataSourceImpl extends EmailDataSource {
   }
 
   @override
-  Future<bool> sendEmail(
+  Future<void> sendEmail(
     Session session,
     AccountId accountId,
     EmailRequest emailRequest,

lib/features/email/data/datasource_impl/html_datasource_impl.dart

@@ -1,4 +1,7 @@
 import 'package:core/presentation/utils/html_transformer/transform_configuration.dart';
+import 'package:dartz/dartz.dart';
+import 'package:jmap_dart_client/jmap/mail/email/email_body_part.dart';
+import 'package:model/email/attachment.dart';
 import 'package:model/email/email_content.dart';
 import 'package:tmail_ui_user/features/email/data/datasource/html_datasource.dart';
 import 'package:tmail_ui_user/features/email/data/local/html_analyzer.dart';
@@ -35,4 +38,26 @@ class HtmlDataSourceImpl extends HtmlDataSource {
       );
     }).catchError(_exceptionThrower.throwException);
   }
+
+  @override
+  Future<Tuple2<String, Set<EmailBodyPart>>> replaceImageBase64ToImageCID({
+    required String emailContent,
+    required Map<String, Attachment> inlineAttachments
+  }) {
+    return Future.sync(() async {
+      return await _htmlAnalyzer.replaceImageBase64ToImageCID(
+        emailContent: emailContent,
+        inlineAttachments: inlineAttachments
+      );
+    }).catchError(_exceptionThrower.throwException);
+  }
+
+  @override
+  Future<String> removeCollapsedExpandedSignatureEffect({required String emailContent}) {
+    return Future.sync(() async {
+      return await _htmlAnalyzer.removeCollapsedExpandedSignatureEffect(
+        emailContent: emailContent
+      );
+    }).catchError(_exceptionThrower.throwException);
+  }
 }