fix(Library): Remove archive option for public units

[breity]

Changes

• Removes "Archive" option for Public library units.

Test

1. Go to homepage, scroll down to Curriculum Offerings.
2. Click on units in the library.
3. In the unit details pop-up, click on the three dot menu. Make sure the "Archive" option is not shown.
4. Sign in as a teacher and go to /curriculum and complete step 3 for Public units.
5. Select the My Units tab.
6. Click on any of the units in My Units, click on the three dot menu, and make sure that the "Archive" option is shown.

Closes #2187.

[hirokiterashima]

Functionality looks good, but 2 unit tests are failing. Can you fix the tests before merge?

1) shows archive button
     LibraryProjectMenuComponent project does not have archived tag
     TypeError: Cannot read properties of undefined (reading 'publicUnitType')

2) shows restore button
     LibraryProjectMenuComponent project has archived tag
     TypeError: Cannot read properties of undefined (reading 'publicUnitType')

[hirokiterashima]

🎉 This PR is included in version 5.187.1 🎉

The release is available on GitHub release

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