* fix specific aria-label for generic sidebar

* hide dashboard subscription button

- when user is non-admin and email & slack are not configured

* forward non-admin user to configured subscription form

* fix: show pulse list after creation for non-admins

- when pulse count is 0 and a new pulse is added by non-admins, it used to auto-redirect to the creation form again b/c the new pulse was not loaded before the forwarding would occur again

* refactor magic strings

* fix error when pulses has no length attribute

* validate forwarding in subscriptions for non-admins

* add remaining specs

* updated tests for new subscriptions forwarding for non-admins

* update tests for subscriptions forwarding for non-admins

* update tests for subscriptions forwarding for non-admins

* fix unit tests

* update dashboard subscriptions button to exclude heading cards

* [WIP] convert E2E tests to unit tests

* convert subscriptions button test to unit test

* restore some E2E tests

* fix unit tests

- new fetch request occurring in child component DashboardHeader was causing these tests to fail on the fetch request because there was no fallback