Auto merge of #23654 - julientregoat:issue-23645, r=jdm

Fix panic when running test-background-fetch-permission.html

<!-- Please describe your changes on the following line: -->
* Propagate `Error::JSFailed` in `Permissions::create_descriptor`
* In `Error::to_jsval`, only check if a JS exception is not pending if `self` is not `Error::JSFailed`

---
<!-- Thank you for contributing to Servo! Please replace each `[ ]` by `[X]` when the step is complete, and replace `___` with appropriate data: -->
- [x] `./mach build -d` does not report any errors
- [x] `./mach test-tidy` does not report any errors
- [x] These changes fix #23645 (GitHub issue number if applicable)

<!-- Either: -->
- [ ] There are tests for these changes OR
- [x] These changes do not require tests because it's a test runner, so by nature if the test runs the test runner is also working as expected.

<!-- Also, please make sure that "Allow edits from maintainers" checkbox is checked, so that we can help you if you get stuck somewhere along the way.-->

<!-- Pull requests that do not address these steps are welcome, but they will require additional verification as part of the review process. -->

<!-- Reviewable:start -->
---
This change is [<img src="https://reviewable.io/review_button.svg" height="34" align="absmiddle" alt="Reviewable"/>](https://reviewable.io/reviews/servo/servo/23654)
<!-- Reviewable:end -->

tests/wpt/metadata/permissions/interfaces.any.js.ini

@@ -1,6 +1,10 @@
 [interfaces.any.html]
-  expected: CRASH
+  [Permissions interface: operation query(object)]
+    expected: FAIL
+
+  [Permissions interface: calling query(object) on navigator.permissions with too few arguments must throw TypeError]
+    expected: FAIL
+
 
 [interfaces.any.worker.html]
-  expected: CRASH
-
+  expected: CRASH

tests/wpt/metadata/permissions/test-background-fetch-permission.html.ini

@@ -1,5 +1,3 @@
 [test-background-fetch-permission.html]
-  expected: CRASH
   [Test Background Fetch Permission.]
-    expected: FAIL
-
+    expected: FAIL