[Asset graph] Hash the key used for layout cache (#16989)

## Summary & Motivation
Hashing the key


## How I Tested These Changes
Loaded the asset graph and saw it working

js_modules/dagster-ui/packages/ui-core/src/app/Util.tsx

@@ -160,7 +160,13 @@ export function indexedDBAsyncMemoize<T, R, U extends (arg: T, ...rest: any[]) =
     maxCount: 50,
   });
   const ret = (async (arg: T, ...rest: any[]) => {
-    const hashKey = hashFn ? hashFn(arg, ...rest) : arg;
+    const hash = hashFn ? hashFn(arg, ...rest) : arg;
+
+    const encoder = new TextEncoder();
+    const data = encoder.encode(hash.toString());
+    const hashBuffer = await crypto.subtle.digest('SHA-1', data);
+    const hashArray = Array.from(new Uint8Array(hashBuffer)); // convert buffer to byte array
+    const hashKey = hashArray.map((b) => b.toString(16).padStart(2, '0')).join(''); // convert bytes to hex string
 
     return new Promise<R>(async (resolve) => {
       if (await lru.has(hashKey)) {