[MessageUI] Implement up to Xcode 16.3 beta 3. (#22422)

Author: rolfbjarne

src/messageui.cs

@@ -61,6 +61,11 @@ interface MFMailComposeViewController : UIAppearance {
 		[MacCatalyst (13, 1)]
 		[Export ("setPreferredSendingEmailAddress:")]
 		void SetPreferredSendingEmailAddress (string emailAddress);
+
+		[MacCatalyst (18, 4), iOS (18, 4)]
+		[Export ("insertCollaborationItemProvider:completionHandler:")]
+		[Async]
+		void InsertCollaborationItemProvider (NSItemProvider itemProvider, Action<bool> completionHandler);
 	}
 
 	/// <summary>Interface representing the required methods (if any) of the protocol <see cref="T:MessageUI.MFMailComposeViewControllerDelegate" />.</summary>

tests/cecil-tests/Documentation.KnownFailures.txt

@@ -34139,6 +34139,8 @@ M:MessageUI.MFComposeResultEventArgs.#ctor(MessageUI.MFMailComposeViewController
 M:MessageUI.MFMailComposeViewController.add_Finished(System.EventHandler{MessageUI.MFComposeResultEventArgs})
 M:MessageUI.MFMailComposeViewController.AddAttachmentData(Foundation.NSData,System.String,System.String)
 M:MessageUI.MFMailComposeViewController.Dispose(System.Boolean)
+M:MessageUI.MFMailComposeViewController.InsertCollaborationItemProvider(Foundation.NSItemProvider,System.Action{System.Boolean})
+M:MessageUI.MFMailComposeViewController.InsertCollaborationItemProviderAsync(Foundation.NSItemProvider)
 M:MessageUI.MFMailComposeViewController.MFMailComposeViewControllerAppearance.#ctor(System.IntPtr)
 M:MessageUI.MFMailComposeViewController.remove_Finished(System.EventHandler{MessageUI.MFComposeResultEventArgs})
 M:MessageUI.MFMailComposeViewController.SetBccRecipients(System.String[])