[Bug]: KryptonForm Does not route WM_Help request

[Smurf-IV]

Whilst investigating #867 and performing the actions of https://learn.microsoft.com/en-us/dotnet/api/system.windows.forms.messagebox.show?view=windowsdesktop-7.0#system-windows-forms-messagebox-show(system-string-system-string-system-windows-forms-messageboxbuttons-system-windows-forms-messageboxicon-system-windows-forms-messageboxdefaultbutton-system-windows-forms-messageboxoptions-system-boolean)

The callback function for this.HelpRequested += new System.Windows.Forms.HelpEventHandler (this.Form1_HelpRequested);
Is not routed in a KryptonForm