add an early-return to getHrefContainerProps to avoid similar bugs

src/utils/href-container-script.ts

@@ -99,6 +99,9 @@ globalThis.handleHrefContainerClick = (e: MouseEvent) => {
 };
 
 export function getHrefContainerProps(href: string) {
+	// If the href is null or empty, no props should be added
+	if (!href) return {};
+
 	// hack to detect whether the function is in an Astro or Preact environment,
 	// assuming that Preact is only used outside of a node environment
 	if (