added project start and end date (#1303)

* added sortable js library
* activity in invoice is optional
* added javascript widget for paginated boxes
* fix activity dropdown for globals only
* added timesheet service to reduce code duplication
* use repository to query for teams in dropdowns
* added project validator
* validate project start and end against timesheet
* include begin and end in dynamic form requests for projects
* added timezone and language option to import flag, improve timesheet import speed
* deactivate cross-timezone filter
* add virtual fields to field order list
* composer update
* added param to ignore dates
* position loader icon fixed - fixes #1330
* permission problem when creating a new project - fixes #1340
* remove dev dependencies webserver and thanks bundle
* stop information leak (begin and end date) in duration mode - fixes #1307
* unify timesheet edit dialog for user and admins
* fix security issue, own rates exposed to unauthorized users in multi-update dialog

templates/timesheet-team/edit.html.twig

@@ -1,17 +1,7 @@
-{% extends app.request.xmlHttpRequest ? 'form.html.twig' : 'base.html.twig' %}
-{% import "macros/widgets.html.twig" as widgets %}
+{% extends 'timesheet/layout-edit.html.twig' %}
 {% import "timesheet-team/actions.html.twig" as actions %}
 
 {% block page_title %}{{ 'admin_timesheet.title'|trans }}{% endblock %}
 {% block page_actions %}{{ actions.timesheet_team(timesheet, 'edit') }}{% endblock %}
 
-{% block main %}
-    {% if timesheet.exported %}
-        {{ widgets.alert('warning', ('timesheet.locked.warning'|trans({}, 'flashmessages')), ('warning'|trans({}, 'flashmessages')), 'warning') }}
-    {% endif %}
-    {{ include(app.request.xmlHttpRequest ? 'default/_form_modal.html.twig' : 'default/_form.html.twig', {
-        'title': (timesheet.id ? 'timesheet.edit'|trans : 'create'|trans),
-        'form': form,
-        'back': path('admin_timesheet')
-    }) }}
-{% endblock %}
+{% set route_back = 'admin_timesheet' %}