Refactor code structure and remove redundant changes

src-old/components/ui/icon-button.tsx

@@ -0,0 +1,28 @@
+import { Button, ButtonProps } from './button';
+
+interface IconButtonProps extends Omit<ButtonProps, 'loading'> {
+  icon: React.ReactNode;
+  label: string; // For accessibility
+  isLoading?: boolean;
+}
+
+export const IconButton = ({
+  icon,
+  label,
+  isLoading = false,
+  variant = 'ghost',
+  size = 'icon',
+  ...props
+}: IconButtonProps) => {
+  return (
+    <Button
+      variant={variant}
+      size={size}
+      loading={isLoading}
+      aria-label={label}
+      {...props}
+    >
+      {!isLoading && icon}
+    </Button>
+  );
+};