Fix window.open for schemas in FireFox
Fix window.open for schemas in FireFox

jlblcc/json-schema-viewer,jlblcc/json-schema-viewer,adiwg/mdTools,amitdesai03/json-schema-viewer,adiwg/mdTools,amitdesai03/json-schema-viewer,jlblcc/json-schema-viewer,foxxyz/json-schema-viewer,foxxyz/json-schema-viewer