TF-2182 Fix no blue bar for calendar events

(cherry picked from commit 7ea91d59e860dbd8f5bd38cefd76ca61bc4cc4e3)

model/lib/extensions/email_extension.dart

@@ -119,22 +119,9 @@ extension EmailExtension on Email {
     return emailContents ?? [];
   }
 
-  List<Attachment> get allAttachments {
-    if (attachments != null) {
-      return attachments!
-        .where((element) => element.disposition != null)
-        .map((item) => item.toAttachment())
-        .toList();
-    }
-    return [];
-  }
+  List<Attachment> get allAttachments => attachments?.map((item) => item.toAttachment()).toList() ?? [];
 
-  List<Attachment> get attachmentsWithCid {
-    return attachments
-      ?.where((element) => element.disposition != null && element.cid?.isNotEmpty == true)
-      .map((item) => item.toAttachment())
-      .toList() ?? [];
-  }
+  List<Attachment> get attachmentsWithCid => allAttachments.where((attachment) => attachment.hasCid()).toList();
 
   PresentationMailbox? findMailboxContain(Map<MailboxId, PresentationMailbox> mapMailbox) {
     final newMailboxIds = mailboxIds;

model/lib/extensions/list_attachment_extension.dart

@@ -13,15 +13,9 @@ extension ListAttachmentExtension on List<Attachment> {
     return 0;
   }
 
-  List<Attachment> get listAttachmentsDisplayedOutSide {
-    return where((attachment) => attachment.disposition == ContentDisposition.attachment || attachment.noCid())
-        .toList();
-  }
+  List<Attachment> get listAttachmentsDisplayedOutSide => where((attachment) => attachment.noCid()).toList();
 
-  List<Attachment> get listAttachmentsDisplayedInContent {
-    return where((attachment) => attachment.hasCid())
-      .toList();
-  }
+  List<Attachment> get listAttachmentsDisplayedInContent => where((attachment) => attachment.hasCid()).toList();
 
   Map<String, String> toMapCidImageDownloadUrl({
     required AccountId accountId,