* fix: added fix for query builder filters
* fix: added fix for multivalue operator without brackets
* test: added tests for querycontextUtils + querybuilderv2 utils
* fix: added fix for replacing filter with the new value
* fix: added fix for replacing filters + datetimepicker composite query
* test: fixed querybuilderv2 utils test
* chore: added changes for jest to use es6
* test: fixed tests for querycontextutils + querybuilderv2 utils
* test: fixed failing tests
