Fix module permission check for queues and workers admin

[danickfort]

The 'module' that the permissions belong to is named 'scheduler', not 'django-tasks-scheduler'.

Fixing this allows staff users that have any scheduler permission (aka, they have the 'module permission') to see the Queues and Workers admin pages.

[cunla]

Would it be possible to write a test for this?

[danickfort]

Would it be possible to write a test for this?

I wrote a couple of tests. Can't run them locally at the moment, let me know if they need adjustments.

[DhavalGojiya]

Would it be possible to write a test for this?

I wrote a couple of tests. Can't run them locally at the moment, let me know if they need adjustments.

How to Run This Test Cases

cd testproject
uv run python manage.py test scheduler.tests.test_admin_permissions

Example output:

Found 2 test(s).
Creating test database for alias 'default'...
System check identified no issues (0 silenced).
..
----------------------------------------------------------------------
Ran 2 tests in 1.203s

OK
Destroying test database for alias 'default'...

The scheduler package path is already included in sys.path, and live editing is supported since this is an editable project.

PS: Your test cases looks good and passes, If I change the code as shown below:

- return request.user.has_module_perms("scheduler")
+ return request.user.has_module_perms("django-tasks-scheduler")

the test case starts failing - which means the test is correctly verifying the intended code scenario.

Everything looks good, but I have a doubt about the placement of this test case. Is it fine as it is @cunla, or should the test case be placed in some other file or directory?