Auto merge of #22666 - CYBAI:urlsearchparams-no-trailing-q, r=nox

Remove trailing ? when updating URLSearchParams

---
- [x] `./mach build -d` does not report any errors
- [x] `./mach test-tidy` does not report any errors
- [x] These changes fix #22639
- [x] There are tests for these changes

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components/script/dom/url.rs

@@ -57,11 +57,16 @@ impl URL {
 
     pub fn set_query_pairs(&self, pairs: &[(String, String)]) {
         let mut url = self.url.borrow_mut();
+
+        if pairs.is_empty() {
+            url.as_mut_url().set_query(None);
+        } else {
             url.as_mut_url()
                 .query_pairs_mut()
                 .clear()
                 .extend_pairs(pairs);
         }
+    }
 }
 
 impl URL {

tests/wpt/metadata/url/urlsearchparams-delete.any.js.ini

@@ -1,15 +0,0 @@
-[urlsearchparams-delete.any.worker.html]
-  [Removing non-existent param removes ? from URL]
-    expected: FAIL
-
-  [Deleting all params removes ? from URL]
-    expected: FAIL
-
-
-[urlsearchparams-delete.any.html]
-  [Removing non-existent param removes ? from URL]
-    expected: FAIL
-
-  [Deleting all params removes ? from URL]
-    expected: FAIL
-

tests/wpt/metadata/url/urlsearchparams-sort.any.js.ini

@@ -1,7 +0,0 @@
-[urlsearchparams-sort.any.html]
-  [Sorting non-existent params removes ? from URL]
-    expected: FAIL
-
-[urlsearchparams-sort.any.worker.html]
-  [Sorting non-existent params removes ? from URL]
-    expected: FAIL