fix(webapp): guard Flux viewer against js-yaml 5.x empty-input throw#8889

rzo1 merged 2 commits into

dependabot/npm_and_yarn/storm-webapp/js-yaml-5.2.0apache/storm:dependabot/npm_and_yarn/storm-webapp/js-yaml-5.2.0from

fix-flux-jsyaml-v5-empty-docapache/storm:fix-flux-jsyaml-v5-empty-docCopy head branch name to clipboard