[TASK] Import/Export (impexp) move to Fluid standalone view

Resolves: #72699
Releases: master
Change-Id: I18c4dad4b2838c445188fd4a8e9b8e356c61f35f
Reviewed-on: https://review.typo3.org/45884


Reviewed-by: Morton Jonuschat <m.jonuschat@mojocode.de>
Tested-by: Morton Jonuschat <m.jonuschat@mojocode.de>
Reviewed-by: Georg Ringer <georg.ringer@gmail.com>
Tested-by: Georg Ringer <georg.ringer@gmail.com>
Reviewed-by: Ludwig Rafelsberger <ludwig.rafelsberger@gmx.at>
Tested-by: Ludwig Rafelsberger <ludwig.rafelsberger@gmx.at>
Reviewed-by: Anja Leichsenring <aleichsenring@ab-softlab.de>
Tested-by: Anja Leichsenring <aleichsenring@ab-softlab.de>