TF-3996 Add category for EmailActionTyp to group email action

model/lib/email/email_action_type.dart

@@ -1,34 +1,39 @@
 
 enum EmailActionType {
-  reply,
+  reply(1),
-  replyToList,
+  replyToList(1),
-  forward,
+  forward(1),
-  replyAll,
+  replyAll(1),
-  compose,
+  compose(),
-  markAsRead,
+  markAsRead(2),
-  markAsUnread,
+  markAsUnread(2),
-  markAsStarred,
+  markAsStarred(2),
-  unMarkAsStarred,
+  unMarkAsStarred(2),
-  moveToMailbox,
+  moveToMailbox(2),
-  editDraft,
+  editDraft(),
-  editSendingEmail,
+  editSendingEmail(),
-  composeFromContentShared,
+  composeFromContentShared(),
-  composeFromFileShared,
+  composeFromFileShared(),
-  composeFromEmailAddress,
+  composeFromEmailAddress(),
-  composeFromMailtoUri,
+  composeFromMailtoUri(),
-  editAsNewEmail,
+  editAsNewEmail(4),
-  reopenComposerBrowser,
+  reopenComposerBrowser(),
-  moveToTrash,
+  moveToTrash(3),
-  deletePermanently,
+  deletePermanently(3),
-  preview,
+  preview(),
-  selection,
+  selection(),
-  moveToSpam,
+  moveToSpam(2),
-  unSpam,
+  unSpam(),
-  openInNewTab,
+  openInNewTab(1),
-  createRule,
+  createRule(4),
-  unsubscribe,
+  unsubscribe(),
-  composeFromUnsubscribeMailtoLink,
+  composeFromUnsubscribeMailtoLink(),
-  archiveMessage,
+  archiveMessage(3),
-  printAll,
+  printAll(4),
-  downloadMessageAsEML
+  downloadMessageAsEML(4);
+
+  /// Add category to group email action
+  final int category;
+
+  const EmailActionType([this.category = -1]);
 }