TF-80 Move multiple email to mailbox from thread view

model/lib/extensions/presentation_email_extension.dart

@@ -1,5 +1,5 @@
 import 'package:core/core.dart';
-import 'package:jmap_dart_client/jmap/mail/email/keyword_identifier.dart';
+import 'package:jmap_dart_client/jmap/mail/email/email.dart';
 import 'package:model/model.dart';
 
 extension PresentationEmailExtension on PresentationEmail {
@@ -14,39 +14,6 @@ extension PresentationEmailExtension on PresentationEmail {
     return '';
   }
 
-  PresentationEmail markAsReadPresentationEmail(ReadActions readActions) {
-    var newKeyWord = keywords;
-
-    if (readActions == ReadActions.markAsUnread) {
-      newKeyWord?.removeWhere((key, value) => key == KeyWordIdentifier.emailSeen);
-    } else {
-      if (newKeyWord == null) {
-        newKeyWord = {
-          KeyWordIdentifier.emailSeen: true
-        };
-      } else {
-        newKeyWord[KeyWordIdentifier.emailSeen] = true;
-      }
-    }
-
-    return PresentationEmail(
-        id,
-        keywords: newKeyWord,
-        size: size,
-        receivedAt: receivedAt,
-        hasAttachment: hasAttachment,
-        preview: preview,
-        subject: subject,
-        sentAt: sentAt,
-        from: from,
-        to: to,
-        cc: cc,
-        bcc: bcc,
-        replyTo: replyTo,
-        selectMode:  selectMode
-    );
-  }
-
   PresentationEmail toggleSelect() {
     return PresentationEmail(
         id,
@@ -84,4 +51,22 @@ extension PresentationEmailExtension on PresentationEmail {
       selectMode: selectMode
     );
   }
+
+  Email toEmail() {
+    return Email(
+        id,
+        keywords: keywords,
+        size: size,
+        receivedAt: receivedAt,
+        hasAttachment: hasAttachment,
+        preview: preview,
+        subject: subject,
+        sentAt: sentAt,
+        from: from,
+        to: to,
+        cc: cc,
+        bcc: bcc,
+        replyTo: replyTo
+    );
+  }
 }