refactor: super icons (#1974)

packages/blocks-editor/src/Lexical/Theme/IconComponent.tsx

@@ -0,0 +1,15 @@
+export const IconComponent = ({
+  children,
+  size = 20,
+  paddingTop = 0,
+}: {
+  children: React.ReactNode;
+  size?: number;
+  paddingTop?: number;
+}) => {
+  return (
+    <span className="svg-icon" style={{width: size, height: size, paddingTop}}>
+      {children}
+    </span>
+  );
+};