Improve Login with a forcedpassword change account (App and Desktop)

Test on Android, iOS and desktop. Open the app with any site/user. In web as an administrator, force the password change to the user. In the app, refresh the page or try any action that makes a WS request, or just wait until some background request is made. Check that a page with instructions to change the password is displayed. Click the help icon in the header bar and check a modal with a help message is displayed. Click the "Open the change password page". Check that a browser window is opened (embedded in mobile) with the URL of the site. Login, submit a new password and close the browser immediately. Check that the page change password page in the app now contains a "Reconnect" button. Click the "Reconnect" button to go to the credentials page. Note : if the app makes a background WS call after changing the password the credentials page will be opened automatically. Enter the new password and check that no error is displayed. Repeat steps 2 and 3 and click the button "Change site" and check you are redirected to the list of sites. Open the site you were using and check that the "Change password" page is displayed.