Bug 1851714 - Don't exclude Default Agent directory from artifact builds. r=glandium

This is necessary to bundle non-compiled files from the Default Agent, essentially `.sys.mjs` and `.ini` files.

Differential Revision: https://phabricator.services.mozilla.com/D188769

toolkit/moz.build

@@ -30,6 +30,7 @@ if CONFIG["OS_ARCH"] == "WINNT":
         if CONFIG["MOZ_NOTIFICATION_SERVER"]:
             DIRS += ["mozapps/notificationserver"]
 
+    if CONFIG["CC_TYPE"] == "clang-cl" or CONFIG["MOZ_ARTIFACT_BUILDS"]:
         # Default Browser Agent relies on Windows toast notifications, so should
         # also not be built with mingw.
         if CONFIG["MOZ_DEFAULT_BROWSER_AGENT"]: