[Lazarus] BidiMode improvments patch

[Paul Ishenin]

Zaher Dirkey wrote:

> Make TMainMenu and most Components which inherited form TComponent
> take their BidiMode from the Owner, i mean MainMenu be right to left
> depend on BidiMode of the Form, and then i will remove the
> BidiMode/ParentBidiMode properties from this components.
> 
> In fact who need to make the Menu left to right while the form or the
> application is right to left!.

If we do so then be sure later we'll have a bug report. I see no problem 
to copy parts of TControl bidi mode code to the TMenu component.

Best regards,
Paul Ishenin.