TF-2134 Open composer from mailto uri

(cherry picked from commit 964013fb35ee6a7ab98f7d7c4a1146d87843dd81)

lib/features/email/presentation/model/composer_arguments.dart

@@ -15,6 +15,7 @@ class ComposerArguments extends RouterArguments {
   final List<Attachment>? attachments;
   final Role? mailboxRole;
   final SendingEmail? sendingEmail;
+  final String? uri;
 
   ComposerArguments({
     this.emailActionType = EmailActionType.compose,
@@ -24,7 +25,8 @@ class ComposerArguments extends RouterArguments {
     this.mailboxRole,
     this.emailAddress,
     this.listSharedMediaFile,
-    this.sendingEmail
+    this.sendingEmail,
+    this.uri,
   });
 
   factory ComposerArguments.fromSendingEmail(SendingEmail sendingEmail) =>
@@ -51,6 +53,12 @@ class ComposerArguments extends RouterArguments {
       emailAddress: emailAddress
     );
 
+  factory ComposerArguments.fromMailtoURL(String? uri) =>
+    ComposerArguments(
+      emailActionType: EmailActionType.composeFromMailtoURL,
+      uri: uri
+    );
+
   factory ComposerArguments.editDraftEmail(PresentationEmail presentationEmail) =>
     ComposerArguments(
       emailActionType: EmailActionType.editDraft,
@@ -114,6 +122,7 @@ class ComposerArguments extends RouterArguments {
     mailboxRole,
     emailAddress,
     listSharedMediaFile,
-    sendingEmail
+    sendingEmail,
+    uri,
   ];
 }