[TASK] Show hints about shortcuts and external pages in Page module

To improve the usability, pages of the type shortcut and external link
show additional information in the page module

Resolves: #77742
Releases: master
Change-Id: Ica5e2ecc017842bc6cca9bd347a59def2c7b6ad4
Reviewed-on: https://review.typo3.org/49715


Reviewed-by: Daniel Goerz <ervaude@gmail.com>
Tested-by: Daniel Goerz <ervaude@gmail.com>
Reviewed-by: Joerg Boesche <typo3@joergboesche.de>
Tested-by: TYPO3com <no-reply@typo3.com>
Reviewed-by: Michael Oehlhof <typo3@oehlhof.de>
Tested-by: Michael Oehlhof <typo3@oehlhof.de>
Reviewed-by: Łukasz Uznański
Tested-by: Łukasz Uznański
Reviewed-by: Anja Leichsenring <aleichsenring@ab-softlab.de>
Tested-by: Anja Leichsenring <aleichsenring@ab-softlab.de>