support RLQUERY

[vetsin]

https://docs.servicenow.com/en-US/bundle/utah-platform-user-interface/page/use/using-lists/concept/c_EncodedQueryStrings.html

e.g. ^RLQUERYincident.problem_id,>=1^ENDRLQUERY or ^RLQUERYincident.problem_id,>=1^priority=1^ENDRLQUERY