Add internal/external links to RecordPage template

[johnnyporkchops]

Summary

The RecordPage model inherits from ContentPage model which uses stream_factory as its body section. So I added internal and external link buttons here.

• Resolves Wagtail wish list: Add internal and external link buttons to Record and Example page templates #2935

Impacted areas of the application

This will effect all page models inheriting from ContentPage model, but only to the extent that they will now also have the new internal and external link buttons in their body streamfield.

• modified: home/models.py

Screenshots

Related PRs

#3149:

How to test

• Checkout and run branch
• Create page of type, RecordPage and confirm and test the external and internal link buttons
• Publish or Preview to confirm it works

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[codecov-io]

Codecov Report

Merging #3338 into develop will not change coverage.
The diff coverage is n/a.

@@           Coverage Diff            @@
##           develop    #3338   +/-   ##
========================================
  Coverage    74.59%   74.59%           
========================================
  Files          120      120           
  Lines         7232     7232           
  Branches       634      634           
========================================
  Hits          5395     5395           
  Misses        1837     1837

Impacted Files	Coverage Δ
fec/home/models.py	87.53% <ø> (ø)	⬆️

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[johnnyporkchops]

@dorothyyeager , this is on feature for testing

[dorothyyeager]

Loving it! The Record articles are going to look so much better. I tested both buttons on one and here's how they turned out... (perfect!)

[dorothyyeager]

These are AWESOME and I love that they're enabled not just for Record pages, but also the Press templates and the tips template. They'll add some visual punch to those often link-heavy pages. Thank you so much for doing this! Approved from content team perspective.