LibWeb/HTML: Only trim single '#' on Location.hash setter

Author: https://github.com/shannonbooth
Commit: f1d79483b7
Pull-request: https://github.com/LadybirdBrowser/ladybird/pull/4426
Reviewed-by: https://github.com/tcl3 ✅

Libraries/LibWeb/HTML/Location.h

@@ -48,7 +48,7 @@ public:
     WebIDL::ExceptionOr<void> set_search(String const&);
 
     WebIDL::ExceptionOr<String> hash() const;
-    WebIDL::ExceptionOr<void> set_hash(String const&);
+    WebIDL::ExceptionOr<void> set_hash(StringView);
 
     WebIDL::ExceptionOr<void> replace(String const& url);
     void reload() const;