[BUGFIX] Remove empty option tag in fluid select viewhelper

Currently the select viewhelper produces an empty option tag, if no
argument "option" is provided. This is not needed.

Resolves: #79274
Releases: master
Change-Id: Ie3a78f241cba19875c866bbc44c48d58603a1e91
Reviewed-on: https://review.typo3.org/51388


Tested-by: TYPO3com <no-reply@typo3.com>
Reviewed-by: Claus Due <claus@phpmind.net>
Tested-by: Claus Due <claus@phpmind.net>
Reviewed-by: Jigal van Hemert <jigal.van.hemert@typo3.org>
Tested-by: Jigal van Hemert <jigal.van.hemert@typo3.org>