random improvements (#5382)

* remove permission check, as own timesheets should always be visible
* new methods to create datetime
* allow access to user roles in javascript
* support class for dropdown actions
* allow to edit internal rate
* support human readable duration in export via user configuration
* allow to order timesheet listing by user, exported and billable field
* bump codecov action

tests/Export/Base/CsvRendererTest.php

@@ -102,7 +102,8 @@ class CsvRendererTest extends AbstractRendererTestCase
             '2019-06-16',
             '12:00',
             '12:06',
-            '0.11',
+            '0:06',
+            //'0.11',
             'EUR',
             '0',
             '0',
@@ -134,7 +135,8 @@ class CsvRendererTest extends AbstractRendererTestCase
             '2019-06-16',
             '12:00',
             '12:06',
-            '0.11',
+            '0:06',
+            //'0.11',
             'EUR',
             '0',
             '0',