feat: allow listing completed tasks for task

lib/putzplan_web/live/completed_task_live/show.ex

@@ -7,13 +7,13 @@ defmodule PutzplanWeb.CompletedTaskLive.Show do
     <.header>
       Completed task <%= @completed_task.id %>
         <:subtitle>This is a completed_task record from your database.</:subtitle>
-      
+
     </.header>
 
     <.list>
-      
+
         <:item title="Id"><%= @completed_task.id %></:item>
-      
+
     </.list>
 
     <.back navigate={~p"/completed_tasks"}>Back to completed_tasks</.back>
@@ -29,12 +29,15 @@ defmodule PutzplanWeb.CompletedTaskLive.Show do
 
   @impl true
   def handle_params(%{"id" => id}, _, socket) do
+    actor = socket.assigns.current_user
+    completed_task = Ash.get!(Putzplan.Tasks.CompletedTask, id, actor: actor)
+
     {:noreply,
      socket
      |> assign(:page_title, page_title(socket.assigns.live_action))
      |> assign(
        :completed_task,
-       Ash.get!(Putzplan.Tasks.CompletedTask, id, actor: socket.assigns.current_user)
+       completed_task
      )}
   end