message: Ensure filePath is always present in linter diff
diff: @@ -166,12 +166,12 @@ function getFileSummaryTable(issues, prNumber) {
  issues.sort((a, b) => {
  if (!a.filePath) {
  - a.filePath = getFile(a.jsonref);
  + a.filePath = getFile(a.jsonref) || "";
  a.lineNumber = getLine(a.jsonref) || "1";
  }
  if (!b.filePath) {
  - b.filePath = getFile(b.jsonref);
  + b.filePath = getFile(b.jsonref) || "";
  b.lineNumber = getLine(b.jsonref) || "1";
  }
  @@ -186,6 +186,11 @@ function getFileSummaryTable(issues, prNumber) {
  });
  issues.forEach(function (issue, count) {
  + if (!issue.filePath) {
  + issue.filePath = getFile(issue.jsonref) || "";
  + issue.lineNumber = getLine(issue.jsonref) || "1";
  + }
  +
  potentialNewIssues += potentialNewWarningErrorSummary(
  count + 1,
  issue.id,
  