Update default Firefox preferences

Author: mdmintz

seleniumbase/core/browser_launcher.py

@@ -508,7 +508,7 @@ def _set_firefox_options(
     options.set_preference("devtools.errorconsole.enabled", True)
     options.set_preference("dom.webnotifications.enabled", False)
     options.set_preference("dom.disable_beforeunload", True)
-    options.set_preference("browser.contentblocking.database.enabled", False)
+    options.set_preference("browser.contentblocking.database.enabled", True)
     options.set_preference("extensions.allowPrivateBrowsingByDefault", True)
     options.set_preference("extensions.PrivateBrowsing.notification", False)
     options.set_preference("extensions.systemAddon.update.enabled", False)