[BUGFIX] Re-enable export of multiple records via clipboard

The change of #57873 introduced a regression which doesn't allow
the export of multiple records via the clipboard module anymore.

The wrong parameter generation is fixed with this patch.

Resolves: #59180
Releases: master
Change-Id: Iffa9e0ec4b816903bd935c65e5f9ba7230695802
Reviewed-on: http://review.typo3.org/35887


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>