[!!!][BUGFIX] Indexed Search: Escape search strings for LIKE queries

LIKE queries support special placeholders (_ and %).
These characters need proper escaping before being used
in database queries. Use the escapeStrForLike() method to
provide properly escaped strings to the query.

This patch handles few places missed by http://review.typo3.org/42806

Resolves: #69227
Releases: master
Change-Id: Ie68dd140aafa755be08ba9505b3ac33f00a8f2e2
Reviewed-on: http://review.typo3.org/42969


Reviewed-by: Alexander Opitz <opitz.alexander@googlemail.com>
Tested-by: Alexander Opitz <opitz.alexander@googlemail.com>
Tested-by: Benni Mack <benni@typo3.org>
Reviewed-by: Benni Mack <benni@typo3.org>