fix some typos (#14017)

Co-authored-by: William Bouchard <46496014+willbouch@users.noreply.github.com>

www/apps/resources/generated/generated-troubleshooting-sidebar.mjs

@@ -145,7 +145,7 @@ const generatedgeneratedTroubleshootingSidebarSidebar = {
               "isPathHref": true,
               "type": "link",
               "path": "/troubleshooting/query/filter-linked",
-              "title": "Not Exising Property",
+              "title": "Not Existing Property",
               "children": []
             },
             {