Fix error in botguard detection

access to top.opener would throw a SecurityError if opened from intel link.

code/extract_niantic_parameters.js

@@ -21,9 +21,13 @@ window.extractFromStock = function() {
       if(!window[topLevel]) continue;
       // need an example for a request object
       for(var property in window[topLevel]) {
+        try {
           if(window[topLevel][property] == "getRegionScoreDetails") {
             return Object.getPrototypeOf(window[topLevel]);
           }
+        } catch(e) { // might throw SecurityError or others (noticed on top.opener, which might be cross-origin)
+          continue;
+        }
       }
     }
   })();