fix: unhide discussion tab when enabling it (#677)

[viadanna]

Description

Update the is_hidden property in the modulestore to store the visibility of the discussions tab properly.

Supporting information

• fix: unhide discussion tab when enabling it open-craft/edx-platform#677

Testing instructions

1. Create a course in a Palm devstack/sandbox.
2. Set the discussion tab to hidden.
3. Export the course.
4. Import the course in a Redwood devstack/sandbox.
5. Create a Course Update
6. Verify the discussion tab disappears in the LMS.
7. Apply this change to the devstack/sandbox.
8. Enable the discussions in Studio Pages & Resources.
9. Create a Course Update.
10. Verify the discussion tab does not disappear this time.

Deadline

None

[openedx-webhooks]

Thanks for the pull request, @viadanna!

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[xitij2000]

@viadanna Could you add a test case for this?

[arslanashraf7]

@viadanna I have seen a similar problem with the Progress page as well. Maybe this is related to all the pages which were once managed through legacy Studio (Pages) and are now managed by Authoring MFE's (Pages & Resources)

[xitij2000]

👍 Working well!

• I tested this: tested on tutor nightly devstack
• I read through the code

[viadanna]

@arslanashraf7 I haven't seen this issue with the progress page yet. I'd look into the endpoint handler view to check if the problem has the same cause as this one.

[viadanna]

Thanks @xitij2000

[arslanashraf7]

@arslanashraf7 I haven't seen this issue with the progress page yet. I'd look into the endpoint handler view to check if the problem has the same cause as this one.

@viadanna Thanks.

For me, the steps were almost identical to yours and they are as follows:

1. Disable Authoring MFE (Disable discussions.pages_and_resources_mfe waffle flag)
2. Open the Pages page for a course in the studio from course settings
3. Hide the progress page & save
4. Re-enable the Authoring MFE (Enable discussions.pages_and_resources_mfe waffle flag)
5. Export the course, And re-import
6. Open Pages & Resources from the authoring MFE settings menu and Toggle the switch on the Progress card through
7. The progress pages in the LMS/LearningMFE would stay hidden even if the switch for the progress page is On.

[mphilbrick211]

Hi @viadanna! Apologies for the delay in getting reviews. I've put this out to the community to help get it looked at.

In the meantime, would you be able to run the new tests that have popped up?