message: Bug Null check when pressing enter on import yaml page
diff: @@ -143,7 +143,7 @@ export const registerYAMLHover = (languageID, monaco, m2p, p2m, yamlService) =>
  const findManagedMetadata = (model) => {
  const document = createDocument(model);
  const doc = yaml.safeLoad(document.getText());
  - const rootMappings = doc.mappings || [];
  + const rootMappings = doc?.mappings || [];
  for (const rootElement of rootMappings) {
  const rootKey = rootElement.key;
  const rootValue = rootElement.value;
  