style: use direct undefined comparison for window check

Author: ABHIRAM-CREATOR06

service/src/crypto.test.ts

@@ -18,7 +18,7 @@ if (!globalThis.crypto) {
 // cryptoRSA.ts accesses `window.crypto`, `window.btoa`, and `window.atob`.
 // In a Node (non-jsdom) environment `window` is undefined, so we point it at
 // globalThis which already has btoa/atob (Node 16+) and crypto (Node 19+).
-if (typeof globalThis.window === 'undefined') {
+if (globalThis.window === undefined) {
     (globalThis as any).window = globalThis;
 }
 

service/src/cryptoecdh.test.ts

@@ -11,7 +11,7 @@ if (!globalThis.crypto) {
     (globalThis as any).crypto = webcrypto;
 }
 
-if (typeof globalThis.window === 'undefined') {
+if (globalThis.window === undefined) {
     (globalThis as any).window = globalThis;
 }