SEAB-6188: Enable notebook versions to be hidden

[svonworl]

Description
Prior to this PR, in the "Edit Notebook Version" dialog, the Git Reference and Notebook Path were displayed as form inputs, and the form validation was failing, because it was applying the regexp that it uses to check workflow paths, which didn't work on notebook paths ending with .ipynb. Because the validation failed, the "Save Changes" button was disabled, thus preventing the only editable setting ("Hidden") from being submitted.

This PR displays a notebook's Git Reference and Notebook Path in divs, rather than form inputs, thus bypassing the validation, which is unnecessary because they're read only. Thus, it enables the "Save Changes" button, allowing the user to hide a notebook.

Review Instructions
On qa, select a version of one of your notebooks, and use the Actions menu to edit it and hide it. Confirm it's hidden. Then, unhide it. Next, repeat the process on one of your workflow versions, to confirm that we didn't break anything.

Issue
https://ucsc-cgl.atlassian.net/browse/SEAB-6188

Security
No concerns.

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[codecov]

Codecov Report

All modified and coverable lines are covered by tests ✅

Comparison is base (a5596a5) 40.45% compared to head (b807169) 40.45%.

Additional details and impacted files

@@               Coverage Diff               @@
##           release/2.12.0    #1916   +/-   ##
===============================================
  Coverage           40.45%   40.45%           
===============================================
  Files                 369      369           
  Lines               11486    11486           
  Branches             2942     2942           
===============================================
  Hits                 4647     4647           
  Misses               4503     4503           
  Partials             2336     2336           

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[coverbeck]

Does it have the correct target branch? Fix version is 1.15.

[sonarcloud]

Quality Gate passed

Kudos, no new issues were introduced!

0 New issues
0 Security Hotspots
No data about Coverage
0.0% Duplication on New Code

See analysis details on SonarCloud