feat: publish single library component

[DanielVZ96]

Description

Implements and enables the publish button functionality in the libraries v2 component sidebar.

Supporting information

• Implements: Publish Component Button #1353
• Private-Ref: https://tasks.opencraft.com/browse/FAL-3897

Testing instructions

• Checkout this PR and the following edx-platform PR feat: endpoint to publish single library component edx-platform#35677
• Configure waffle flags to enable libraries v2:

$ tutor dev run lms ./manage.py lms shell -c "from waffle.models import Flag; Flag.objects.update_or_create(name='contentstore.new_studio_mfe.disable_legacy_libraries', defaults={'everyone': False}); Flag.objects.update_or_create(name='contentstore.new_studio_mfe.disable_new_libraries', defaults={'everyone': False})"

• Create a new library and two components inside it.
• Click on one component and then click on Publish Component at the sidebar. Verify the button gets disabled.
• In the Components tab, order by Recently Publish to verify that only the published component appears.
• Click on the published component and Edit it. Verity that after saving it, the publish button is enabled again [THIS IS NOT WORKING BECAUSE THE EDITOR COMPONENT IS NOT INVALIDATING THE componentMetadata QUERY]

Deadline

ASAP

[openedx-webhooks]

Thanks for the pull request, @DanielVZ96!

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[codecov]

Codecov Report

All modified and coverable lines are covered by tests ✅

Project coverage is 93.12%. Comparing base (57e7baf) to head (f21b63f).
Report is 1 commits behind head on master.

Additional details and impacted files

@@            Coverage Diff             @@
##           master    #1407      +/-   ##
==========================================
+ Coverage   93.11%   93.12%   +0.01%     
==========================================
  Files        1051     1051              
  Lines       20207    20237      +30     
  Branches     4300     4302       +2     
==========================================
+ Hits        18816    18846      +30     
  Misses       1331     1331              
  Partials       60       60              

☔ View full report in Codecov by Sentry.
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[DanielVZ96]

if we don't have data about the modified date we shouldn't be able to publish, and because of this we default the date to 0.

[bradenmacdonald]

@DanielVZ96 Let me know when this is ready for review, and don't forget to un-mark it as draft.

[DanielVZ96]

@bradenmacdonald ready for review!

[bradenmacdonald]

Configure waffle flags to enable libraries v2:

That's not necessary unless they were previously disabled. They're now on by default, so all you have to do is not enable those waffle flags :)

[bradenmacdonald]

Looks good, and seems to be working well in my tests. Just found one very tiny nit on comment formatting.

[bradenmacdonald]

Rebased because there is some weird CI error in eslint that's not happening locally

[bradenmacdonald]

Ah, turns out it was testing the merged version, and there was actually a duplicate. Fixed now :)