Fix nested import_tasks when the parent import contains a template (#85599) (#85636)

* Test nested import_tasks when the parent import contains a template

* Fix templating the parent_include.args

(cherry picked from commit 9a6420e1d5)

test/integration/targets/include_import_tasks_nested/tasks/main.yml

@@ -9,3 +9,5 @@
 - assert:
     that:
       - nested_adjacent_count|int == 2
+
+- import_tasks: "{{ role_path }}/tests/main.yml"

test/integration/targets/include_import_tasks_nested/tests/main.yml

@@ -0,0 +1 @@
+- import_tasks: tests_relative.yml