feat(join): use join_description as the join-form field label

test/mv_web/live/join_live_test.exs

@@ -165,6 +165,34 @@ defmodule MvWeb.JoinLiveTest do
                custom_field.name
              )
     end
+
+    @tag role: :unauthenticated
+    test "renders join_description with rendered link as label when set", %{conn: conn} do
+      {:ok, settings} = Membership.get_settings()
+      system_actor = Mv.Helpers.SystemActor.get_system_actor()
+
+      {:ok, custom_field} =
+        Membership.create_custom_field(
+          %{
+            name: "DSGVO",
+            value_type: :boolean,
+            join_description: "Akzeptiere die [Datenschutzerklärung](https://example.com/dsgvo)"
+          },
+          actor: system_actor
+        )
+
+      {:ok, _} =
+        Membership.update_settings(settings, %{
+          join_form_enabled: true,
+          join_form_field_ids: ["email", custom_field.id],
+          join_form_field_required: %{"email" => true, custom_field.id => false}
+        })
+
+      {:ok, _view, html} = live(conn, "/join")
+
+      assert html =~ ~s(<a href="https://example.com/dsgvo">Datenschutzerklärung</a>)
+      assert html =~ "Akzeptiere die"
+    end
   end
 
   describe "join field input types" do