'channels' tag now also moved to sequential FT group in pipeline; role-select.js ensures Tray.close() before turn advances so as not to obstruct next gamer selection; RoleSelectSpec.js asserrts this functionality

src/static_src/tests/RoleSelectSpec.js

@@ -188,6 +188,14 @@ describe("RoleSelect", () => {
             testDiv.appendChild(stack);
         });
 
+        it("calls Tray.close() on turn change", () => {
+            spyOn(Tray, "close");
+            window.dispatchEvent(new CustomEvent("room:turn_changed", {
+                detail: { active_slot: 2 }
+            }));
+            expect(Tray.close).toHaveBeenCalled();
+        });
+
         it("moves .active to the newly active seat", () => {
             window.dispatchEvent(new CustomEvent("room:turn_changed", {
                 detail: { active_slot: 2 }