feat: add last published date to HistoryWidget

[rpenido]

Description

This PR adds the "Last Published" date to the HistoryWidget.

Addition Information

• Display only published content and published titles/descriptions/previews when browsing content to insert into a course #1354 (comment)

Testing Instructions

• Open the library component sidebar
• Open the "Details" tab
• Check the new "Last Published" entity

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Private ref: FAL-4015

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[codecov]

Codecov Report

All modified and coverable lines are covered by tests ✅

Project coverage is 92.99%. Comparing base (e6bce56) to head (d4b8e0a).

Additional details and impacted files

@@           Coverage Diff           @@
##           master    #1585   +/-   ##
=======================================
  Coverage   92.99%   92.99%           
=======================================
  Files        1078     1078           
  Lines       21359    21359           
  Branches     4615     4541   -74     
=======================================
  Hits        19862    19862           
  Misses       1431     1431           
  Partials       66       66           

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[DanielVZ96]

👍 LGMT

• I tested this: went through the testing steps
• I read through the code
• I checked for accessibility issues