Merge 98243 - Web Inspector: [Styles] Adding a new style rule breaks things

LayoutTests/inspector/styles/styles-add-new-rule-expected.txt

-Tests that adding a new rule works after sitching nodes.
+Tests that adding a new rule works after switching nodes.
 
 Text
 After adding new rule (inspected):
 [expanded] element.style { ()
 font-size: 12px;
 
 ======== Matched CSS Rules ========
 [expanded] #inspected { (via inspector)
+color: maroon;
 
 [expanded] div { (user agent stylesheet)
 display: block;
 
 
 After adding new rule (other):
 [expanded] element.style { ()
 color: red;
 
 ======== Matched CSS Rules ========
 [expanded] #other { (via inspector)
 
 [expanded] div { (user agent stylesheet)
 display: block;