Fix function reference (#19280)

- Pull string from object for proper reference

Author: zoracon

chromium/background-scripts/background.js

@@ -374,7 +374,7 @@ function onBeforeRequest(details) {
     (uri.protocol === 'http:' || uri.protocol === 'ftp:') &&
     uri.hostname.slice(-6) !== '.onion' &&
     uri.hostname !== 'localhost' &&
-    !uri.endsWith('.localhost') &&
+    !uri.hostname.endsWith('.localhost') &&
     uri.hostname !== '[::1]' &&
     !isLocalIp;