Revert "[#24] [mFilter2] Added filtering of negative numbers in slider"

This reverts commit 9606136ecd776422b480bac7772b704d3f2750e9.
Revert "Revert "[#24] [mFilter2] Added filtering of negative numbers in slider""

This reverts commit 540fb11d7e46c87d8d8ede0c029175f7eed46fc6.