Auto merge of #25373 - pshaughn:ce_options_string, r=jdm

let document.createElement[NS] accept a string for options

The string actually does nothing, but spec and WPT don't want it to do anything. https://dom.spec.whatwg.org/#dom-document-createelement only cares about the options value when it's a dictionary, and the WPT test on the string case is just that it isn't throwing an exception.

---
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- [X] `./mach test-tidy` does not report any errors
- [X] These changes fix #25008

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- [X] There are tests for these changes

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tests/wpt/metadata/custom-elements/Document-createElement.html.ini

@@ -1,7 +1,3 @@
 [Document-createElement.html]
   [document.createElement must create an instance of autonomous custom elements when it has is attribute]
     expected: FAIL
-
-  [document.createElement()'s second argument is to be ignored when it's a string]
-    expected: FAIL
-

tests/wpt/metadata/custom-elements/Document-createElementNS.html.ini

@@ -1,4 +0,0 @@
-[Document-createElementNS.html]
-  [document.createElementNS()'s third argument is to be ignored when it's a string]
-    expected: FAIL
-