BPMSPL-84 - lowercase params bugfix (REST rich queries)

(cherry picked from commit f9ff0a79ec35ad460e3ae5fcf57a7e2e6a2e6bd6)
kie-remote-client: the update(FactHandle, Object) will not be supported because of a hard dependency on the drools-core class. This does not match the kie-remote approach.

(cherry picked from commit 54dc51160174b07d13798b1a00d6d21f3a7648ca)