Dev: for tests, added new click function that replaces webdriver click function to prevent errors with it / multiple fixes to elements not being displayed in time

Dev: wrap failed expected admin login fail in try catch for testCreateUserExpired
Dev: UserManagementTest, wait for modal action to be done before continuing
Dev: added screenshot for admin login on fail
Dev: replaced more click() calls with new function
Dev: added detection when modal ist closed before continuing for welcomeModal and admin-notification-modal
Dev: add wait to next() page function when navigating the survey