chore(*): minor code style tweaks

This is a followup to the migration to ESLint.

Ref #14952

Closes #15006

docs/app/assets/js/search-worker.js

@@ -26,7 +26,7 @@ searchDataRequest.onload = function() {
   searchData.forEach(function(page) {
     index.add(page);
   });
-  postMessage({e: 'index-ready'});
+  self.postMessage({e: 'index-ready'});
 };
 searchDataRequest.open('GET', 'search-data.json');
 searchDataRequest.send();

docs/app/src/.eslintrc.json

@@ -3,10 +3,6 @@
   "extends": "../../../.eslintrc-browser.json",
 
   "globals": {
-    // ngMocks
-    "module": false,
-    "inject": true,
-
     "lunr": false
   }
 }