Fix order_popup flag through SSO and hide stats in hub order popup.

Co-authored-by: Cursor <cursoragent@cursor.com>

tests/test_instance_embed_lib.py

@@ -1,5 +1,6 @@
 from instance_embed_lib import (
     EMBED_TABS,
+    merge_next_query,
     path_to_embed_tab,
     rewrite_embed_dest,
 )
@@ -27,6 +28,12 @@ def test_rewrite_embed_dest_order_popup_query():
     assert "symbol=BTC" in url
 
 
+def test_merge_next_query_order_popup():
+    url = merge_next_query("/trade", order_popup="1", symbol="BTC/USDT")
+    assert "order_popup=1" in url
+    assert "symbol=BTC" in url
+
+
 def test_embed_tabs_cover_main_nav():
     assert "trade" in EMBED_TABS
     assert "key_monitor" in EMBED_TABS