feat: add ParentBreadcrumbs component [FC-0090]

[rpenido]

Description

This PR adds the ParentBreadcrumbs component to show a list of parent containers on the Unit and Subsection breadcrumbs.

Supporting information

• Related to Unit Pages should show breadcrumbs #2194

Testing instructions

• Open a unit not associated with any subsections

• Check that the breadcrumbs show only the library name

• Add a unit to one subsection

• Open the Unit page and check that the breadcrumbs show a direct link to this subsection

• Add the same unit to another subsection

• Open the Unit page and check that the breadcrumbs show a menu listing both subsections

• Repeat the process, checking Subsections associated with Sections

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Private ref: FAL-4216

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[codecov]

Codecov Report

Attention: Patch coverage is 88.23529% with 6 lines in your changes missing coverage. Please review.

Project coverage is 94.14%. Comparing base (4905f3b) to head (6516b05).
Report is 1 commits behind head on master.

Files with missing lines	Patch %	Lines
...ary-authoring/generic/parent-breadcrumbs/index.tsx	84.61%	6 Missing ⚠️

Additional details and impacted files

@@            Coverage Diff             @@
##           master    #2223      +/-   ##
==========================================
- Coverage   94.14%   94.14%   -0.01%     
==========================================
  Files        1164     1166       +2     
  Lines       24596    24618      +22     
  Branches     5249     5370     +121     
==========================================
+ Hits        23157    23177      +20     
+ Misses       1371     1364       -7     
- Partials       68       77       +9     

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