bug#62592: Not creating new Tabs with small window

[Juri Linkov]

> 1. ~ $ emacs -Q
> 2. Menu -> Options -> Show/Hide -> Tab Bar (gives Tab*scratch*)
> 3. resize the Emacs window to a small one, but large enough to show some Tab 
> labels
> 3. 1x click on rightmost * in the Tab Bar to create a new Tab
>
> The bug: No new Tab will be created and the minibuf and*Messages*  show:
>
>    split-window: Window #<window 3 on*Messages*> too small for splitting

Thanks for the bug report.  It is related to bug#62427 where
we need to find a way to create a new window without using
delete-windows and split-window.