Improve deleting view cache, make % work as expected
Improve deleting view cache, make % work as expected

- fixes bug where Like with added _% was used (broke in 4.2 06191148dee0c41e12491eb49f122b2d1865cc57)
- uses -% and _% logic only for id fields (broken for longer)

koala-framework/koala-framework,koala-framework/koala-framework