Fix response parsing issue in a JSON stream#1564

ayeshLK merged 3 commits intoballerina-platform:mainballerina-platform/module-ballerina-websocket:mainfrom

chathushkaayash:fix/websocket-json-parsing-errorchathushkaayash/module-ballerina-websocket:fix/websocket-json-parsing-errorCopy head branch name to clipboard