page_params: Pass through settings.WARN_NO_EMAIL, as `warn_no_email`.

[greg: fixed test]

zerver/tests/test_home.py

@@ -159,6 +159,7 @@ class HomeTest(ZulipTestCase):
             "unsubscribed",
             "use_websockets",
             "user_id",
+            "warn_no_email",
             "zulip_version",
         ]
 

zerver/views/home.py

@@ -185,6 +185,7 @@ def home_real(request: HttpRequest) -> HttpResponse:
         server_generation     = settings.SERVER_GENERATION,
         use_websockets        = settings.USE_WEBSOCKETS,
         save_stacktraces      = settings.SAVE_FRONTEND_STACKTRACES,
+        warn_no_email         = settings.WARN_NO_EMAIL,
         server_inline_image_preview = settings.INLINE_IMAGE_PREVIEW,
         server_inline_url_embed_preview = settings.INLINE_URL_EMBED_PREVIEW,
         password_min_length = settings.PASSWORD_MIN_LENGTH,