[BUGFIX] Reinsert ommitted vars for ternary operators

When the check is done with multiple variables omitting the first part
of a ternary operator just inserts the boolean result of the check
but not the variable

Change-Id: If683770435995cac079fb2fd42344ba1cc15a08f
Resolves: #70242
Releases: master, 7.6
Reviewed-on: https://review.typo3.org/47108


Reviewed-by: Daniel Goerz <ervaude@gmail.com>
Tested-by: Daniel Goerz <ervaude@gmail.com>
Tested-by: Karthikeyan Palaniswamy <karthikeyan@forethought.de>
Reviewed-by: Christian Kuhn <lolli@schwarzbu.ch>
Tested-by: Christian Kuhn <lolli@schwarzbu.ch>