fix score leaderboard staying open when switching sort/page

projects/common/src/utils/utils.ts

@@ -7,6 +7,13 @@ export function isProduction() {
   return process.env.NODE_ENV === "production";
 }
 
+/**
+ * Checks if we're running on the server
+ */
+export function isServer() {
+  return typeof window === "undefined";
+}
+
 /**
  * Delays a promise
  *