fix: Add check for ResizeObserver availability to prevent reference errors (#455)

Author: ryo-manba

src/components/mini-map/use-resize.hook.ts

@@ -37,6 +37,11 @@ export const useResize = <T extends HTMLElement>(
 
   useLayoutEffect(() => {
     didUnmount.current = false;
+
+    if (!("ResizeObserver" in window)) {
+      return;
+    }
+
     if (ref) {
       resizeObserverRef.current = new ResizeObserver(
         (entries: ResizeObserverEntry[]) => {