It still reads and writes the old format too, but all newly stored
client certs will be in the new form.
For #6776 because Windows limits credential data to 512 bytes in older
versions.
Issue #6574
When there is an error in the advanced page, OwncloudAdvancedSetupPage::updateStatus
(and others) call completeChanged(), which is connected to
QWizardPrivate::_q_updateButtonStates which will re-enable the back button from the
last page.
When the user click "back" and re-open the browser, the account's credentials
already have a oauth token set. So the call to the API to get a new token fails
because we use the previous token instead of using the client's secret_id.
Fix this with the HttpCredentials::DontAddCredentialsAttribute.
Now, this is still not working because the session cookies are confusing the
server. So we'll clear the cookies when re-opening the browser
Removes the right-click function for the "Re-open browser" buttons because
they are not intuitive for the user.
Adds a dedicated "Copy link" button.
Implements Qt 5.5 fixes based on: https://github.com/nextcloud/desktop/pull/1392
Signed-off-by: Michael Schuster <michael@schuster.ms>
