Update template select platform to new template entity framework (#162543)

tests/components/template/snapshots/test_select.ambr

@@ -3,7 +3,7 @@
   StateSnapshot({
     'attributes': ReadOnlyDict({
       'friendly_name': 'My template',
-      'options': Wrapper([
+      'options': list([
         'off',
         'on',
         'auto',

tests/components/template/test_select.py

@@ -91,7 +91,6 @@ async def test_setup_config_entry(
             "template_type": "select",
             "state": "{{ 'on' }}",
             "options": "{{ ['off', 'on', 'auto'] }}",
-            "select_option": [],
         },
         title="My template",
     )
@@ -111,7 +110,6 @@ async def test_setup_config_entry(
     [
         {
             "state": "{{ 'a' }}",
-            "select_option": {"service": "script.select_option"},
             "options": "{{ ['a', 'b'] }}",
         },
     ],
@@ -166,10 +164,6 @@ async def test_multiple_configs(hass: HomeAssistant) -> None:
             "state": "{{ 'a' }}",
             "select_option": {"service": "script.select_option"},
         },
-        {
-            "state": "{{ 'a' }}",
-            "options": "{{ ['a', 'b'] }}",
-        },
     ],
 )
 @pytest.mark.parametrize(