Release 2.4.0 (#4427)

* button to duplicate old timesheets, even those from lockdown period
* bump composer packages
* fixes tooltip remains in view #4426
* fix js error if all widgets were removed
* allow to open timesheet edit dialog from export listing
* css classes for timesheet context menu, so they can be hidden
* added flag to force a user to set password upon login
* enable lazy-ghost-objects to fix deprecation
* change user, username, internal_rate export column labels
* helper method to find user by displayname
* log improvements and format changes
* deactivate broken schema validation

templates/user/profile.html.twig

@@ -9,9 +9,6 @@
     <fieldset class="form-fieldset form-fieldset-light">
         {{ form_row(form.alias) }}
         {{ form_row(form.email) }}
-        {% if form.systemAccount is defined %}
-        {{ form_row(form.systemAccount) }}
-        {% endif %}
     </fieldset>
 
     <fieldset class="form-fieldset form-fieldset-light">