Fix DBIServer FormComponent to allow edit only other servers' sync_on?.

test/decentralised_book_index_web/live/live_views_permission_for_other_servers_data_test.exs

@@ -87,5 +87,32 @@ defmodule DecentralisedBookIndexWeb.LiveViewsPermissionsForOtherServersDataTest
                  |> live("/servers/#{dbi_server.id}/edit")
       end
     end
+
+    test "can edit this server data", %{conn: conn, admin: admin} do
+      dbi_server = generate(dbi_server())
+
+      for user <- [admin] do
+        assert {:ok, view, _html} =
+                 conn
+                 |> log_in_user(user)
+                 |> live("/servers/#{dbi_server.id}/edit")
+
+
+        assert has_element?(view, "input#dbi_server_name")
+        assert has_element?(view, "input#dbi_server_url")
+      end
+    end
+
+    test "can edit other servers' data, but only sync_on?", %{conn: conn, admin: admin, dbi_server: dbi_server} do
+      for user <- [admin] do
+        assert {:ok, view, _html} =
+                 conn
+                 |> log_in_user(user)
+                 |> live("/servers/#{dbi_server.id}/edit")
+
+        refute has_element?(view, "input#dbi_server_name")
+        refute has_element?(view, "input#dbi_server_url")
+      end
+    end
   end
 end