bug#38730: 27.0.50; tutorial start does not take into account the customization notice

[Jean-Christophe Helary]

When starting the Tutorial in an emacs session that has modified
keybindings, an information notice is displayed in red/bold characters at the 
top of the screen.

That notice pushes the first step of the tutorial to below the visible space of 
the frame. The user thus cannot see the first step and has to manually scroll 
down to see it, which defeats the purpose of that first step where the user 
learns to use C-v to move one screenful down...

In GNU Emacs 27.0.50 (build 7, x86_64-apple-darwin19.0.0, NS appkit-1894.10 
Version 10.15.1 (Build 19B88))
of 2019-12-05 built on mabinogion.local
Repository revision: 9027084793831031926c12d3bdfa132ec6ac4e60


Jean-Christophe Helary
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http://mac4translators.blogspot.com @brandelune