Changes to Search tickets

added the optional property tickets/items/channel to the response with the 200 status

added the new <= enum value to the request property query/oneOf[subschema #1: Single filter search request]/operator

added the new <= enum value to the request property query/oneOf[subschema #2: multiple filter search request]/value/oneOf[subschema #2: single filter search request]/items/operator

added the new >= enum value to the request property query/oneOf[subschema #1: Single filter search request]/operator

added the new >= enum value to the request property query/oneOf[subschema #2: multiple filter search request]/value/oneOf[subschema #2: single filter search request]/items/operator

request property query/oneOf[subschema #1: Single filter search request]/value list-of-types was widened by adding types boolean to media type application/json

request property query/oneOf[subschema #2: multiple filter search request]/value/oneOf[subschema #2: single filter search request]/items/value list-of-types was widened by adding types boolean to media type application/json