dont use lookbehind in regular expressions, safari & older firefoxes choke on them

codestyle.md

@@ -8,3 +8,5 @@
     otherwise it becomes hard to remember what was a default/named export
  - should we return promises from storage mutation calls? probably not, as we don't await them anywhere. only read calls should return promises?
     - we don't anymore
+ - don't use these features, as they are not widely enough supported.
+    - [lookbehind in regular expressions](https://caniuse.com/js-regexp-lookbehind)

src/platform/web/Platform.js

@@ -163,7 +163,7 @@ export class Platform {
         // Make sure that loginToken does not end up in the logs
         const transformer = (item) => {
             if (item.e?.stack) {
-                item.e.stack = item.e.stack.replace(/(?<=\/\?loginToken=).+/, "<snip>");
+                item.e.stack = item.e.stack.replace(/(?<=\/\?loginToken=).+/, "?loginToken=<snip>");
             }
             return item;
         };