Bug 1703953 - Part 2: Apply mozilla/use-isInstance rules for .jsm files r=webdriver-reviewers,pip-reviewers,mhowell,Gijs,whimboo

This replaces all `instanceof` uses for DOM interfaces, since the operator in priviliged context works same as .isInstance().

Differential Revision: https://phabricator.services.mozilla.com/D141785

browser/components/attribution/AttributionCode.jsm

@@ -316,7 +316,7 @@ var AttributionCode = {
     try {
       bytes = await AttributionIOUtils.read(attributionFile.path);
     } catch (ex) {
-      if (ex instanceof DOMException && ex.name == "NotFoundError") {
+      if (DOMException.isInstance(ex) && ex.name == "NotFoundError") {
         log.debug(
           `getAttrDataAsync: !exists("${
             attributionFile.path