TF-106 Fix display inlined image CIDs of emails

model/lib/email/attachment.dart

@@ -27,6 +27,8 @@ class Attachment with EquatableMixin {
     this.disposition,
   });
 
+  bool cidNotEmpty() => cid != null && cid!.isNotEmpty;
+
   String getDownloadUrl(String baseDownloadUrl, AccountId accountId) {
     final downloadUriTemplate = UriTemplate('$baseDownloadUrl');
     final downloadUri = downloadUriTemplate.expand({

model/lib/email/email_content.dart

@@ -1,6 +1,5 @@
 
 import 'package:equatable/equatable.dart';
-import 'package:jmap_dart_client/jmap/account_id.dart';
 import 'package:model/email/email_content_type.dart';
 import 'package:model/model.dart';
 
@@ -11,19 +10,6 @@ class EmailContent with EquatableMixin {
 
   EmailContent(this.type, this.content);
 
-  bool hasImageInlineWithCid() => content.contains('cid:');
-
-  String getContentHasInlineAttachment(String baseDownloadUrl, AccountId accountId, List<Attachment> attachments) {
-    var contentValid = content;
-    attachments.forEach((attachment) {
-      if(attachment.cid != null) {
-        final urlDownloadImage = attachment.getDownloadUrl(baseDownloadUrl, accountId);
-        contentValid = content.replaceAll('cid:${attachment.cid}', '$urlDownloadImage');
-      }
-    });
-    return contentValid;
-  }
-
   @override
   List<Object?> get props => [type, content];
 }