Make first page of ‘send texts’ use links not form

This doesn’t need to be a form—it’s not changing any data.

And having the primary action on the page as ‘Use this template’ it makes it
clear what the page is for.

tests/app/main/views/test_templates.py

@@ -9,7 +9,8 @@ def test_should_return_list_of_all_templates(app_,
                                              mock_get_service_templates,
                                              mock_get_user,
                                              mock_get_user_by_email,
-                                             mock_login):
+                                             mock_login,
+                                             mock_get_jobs):
     with app_.test_request_context():
         with app_.test_client() as client:
             client.login(api_user_active)