LibWeb: Reorder and add missing HTML elements IDL items

Author: https://github.com/bplaat
Commit: fc46def2f5
Pull-request: https://github.com/SerenityOS/serenity/pull/21588

Userland/Libraries/LibWeb/SVG/SVGElement.h

@@ -26,6 +26,9 @@ public:
     HTML::DOMStringMap* dataset() { return m_dataset.ptr(); }
     HTML::DOMStringMap const* dataset() const { return m_dataset.ptr(); }
 
+    void focus();
+    void blur();
+
 protected:
     SVGElement(DOM::Document&, DOM::QualifiedName);