[TASK] Use modal dialog for refresh after field change

This uses a modal dialog to confirm refresh after a change
to a field with requestUpdate/onChange=reload.

Resolves: #69828
Releases: master
Change-Id: I16697b52ea01d56881a62f9a850e8b32e4af692f
Reviewed-on: http://review.typo3.org/43331


Reviewed-by: Markus Sommer <markussom@posteo.de>
Tested-by: Markus Sommer <markussom@posteo.de>
Reviewed-by: Daniel Goerz <ervaude@gmail.com>
Tested-by: Daniel Goerz <ervaude@gmail.com>
Reviewed-by: Morton Jonuschat <m.jonuschat@mojocode.de>
Tested-by: Morton Jonuschat <m.jonuschat@mojocode.de>
Reviewed-by: Anja Leichsenring <aleichsenring@ab-softlab.de>
Tested-by: Anja Leichsenring <aleichsenring@ab-softlab.de>