fix: case when window is undefined in getInjectedArgentX

Author: Aleksandar Cakalic

src/connectors/argent/helpers/getInjectedArgentX.ts

@@ -1,6 +1,9 @@
 import type { StarknetWindowObject } from "@starknet-io/types-js"
 
 export function getInjectedArgentX() {
+  if (typeof window === "undefined") {
+    return undefined
+  }
   return window?.starknet_argentX as
     | (StarknetWindowObject & {
         isInAppBrowser: boolean