Description of the issue/feature this PR addresses:
The "View My Services" button of the widget should open
the IAP accounts tree view, just as the main "View My Services"
button of the general settings.
Current behavior before PR:
View my services widget redirected to iap website
Desired behavior after PR is merged:
Updated the widget to redirect to tree view of services
task-3580190
closesodoo/odoo#140904
Signed-off-by: Louis Baudoux (lba) <lba@odoo.com>