improved duration and minute selector (#2264)

* do not close modal if form is dirty
* deprecated TimesheetConfiguration
* inject timezone in form types
* cleanup usage of UserDateTimeFactory
* allow to configure increment steps for minutes
* use 15 minutes step for datetimepicker in project edit form
* use rounding rules for increments in minute select for begin and end
* allow duration in multi user and admin timesheet forms
* make dropdown values configurable

config/services_test.yaml

@@ -8,11 +8,6 @@ services:
 
     test.PasswordEncoder: "@security.encoder_factory"
 
-    # added, so we are able to overwrite the service for the CalendarControllerTest
-    App\Configuration\CalendarConfiguration:
-        arguments: ['@App\Repository\ConfigurationRepository', "%kimai.calendar%"]
-        public: true
-
     App\Configuration\SystemConfiguration:
         arguments: ['@App\Repository\ConfigurationRepository', "%kimai.config%"]