feat: add open button to join link in settings

test/mv_web/live/global_settings_live_test.exs

@@ -64,6 +64,21 @@ defmodule MvWeb.GlobalSettingsLiveTest do
 
       assert html =~ "must be present"
     end
+
+    test "shows open button for join page URL in same row as copy", %{conn: conn} do
+      {:ok, settings} = Membership.get_settings()
+      {:ok, _} = Membership.update_settings(settings, %{join_form_enabled: true})
+
+      {:ok, view, _html} = live(conn, ~p"/settings")
+
+      assert has_element?(view, "#copy-join-url-btn")
+
+      assert has_element?(
+               view,
+               "a[href][target=\"_blank\"][rel=\"noopener noreferrer\"]",
+               "Open"
+             )
+    end
   end
 
   describe "SMTP / E-Mail section" do