simplify the open call

svelte-cloudinary/src/lib/components/CldUploadButton.svelte

@@ -54,7 +54,7 @@
 </script>
 
 <CldUploadWidget {...baseProps} let:open let:isLoading>
-	<button {...buttonProps} on:click|preventDefault={() => open()} disabled={isLoading}>
+	<button {...buttonProps} on:click|preventDefault={open} disabled={isLoading}>
 		<slot>Upload</slot>
 	</button>
 </CldUploadWidget>