SHS-5958: Bug: Inconsistent "Add Above" feature

[codechefmarc]

READY FOR REVIEW

Summary

• Adds "Add between" buttons to paragraphs on Flexible Pages and Private Pages.

Need Review By (Date)

2024-12-04

Urgency

medium

Steps to Test

1. Login to the site
2. Add a new Flexible Page or Private Page
3. Verify that there are "+ Add" buttons for paragraphs

5. Add a paragraph
6. Verify that there is also an "+Add" button that gets added when hovering over a paragraph to add in between
7. Edit an existing Flexible Page or Private Page
8. Verify that the "+Add" buttons show up there as well

PR Checklist

• PR Checklist
• Humsci Basic PR Checklist

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[codechefmarc]

@cienvaras - This is ready for review. Note - I had to update some of the tests to click on the new add in-between buttons so those worked. Though I'm still getting some of those reoccurring test errors for unrelated things. I think I fixed the testPhotoAlbum one - it was because the photo album could be above or below the text area and sometimes it would fail it it was above it as the test was specifically calling item 1 (second paragraph). I changed it to use an XPath selector to look specifically for stanford_gallery but that test didn't run in the last test run so not sure. I'm out of hours for this week, so I can continue next week on these tests if needed. Thanks!

[cienvaras]

@codechefmarc We missed a couple of changes that need to be reverted, please see inline comments. Thanks!

[cienvaras]

LGTM!

@ahughes3 This is ready for you to review.

[ahughes3]

Looks good!