fix: Fix dropdown menu in breadcrumbs

[Lunyachek]

This is backport from this MR #1190

This bug was introduced in the latest versions of Paragon after adding the position: relative parameter to the .pgn__menu-select-popup element. You can find the relevant pull request here: openedx/paragon#1281

I have been in communication with the Paragon team, and they convinced me that this fix is necessary for the Menu component. As a result, we have decided to include this minor fix in the Learning MFE.

Before fix:

2023-09-21.00.41.49.mov

After fix:

2023-09-21.00.38.07.mov

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[codecov]

Codecov Report

❗ No coverage uploaded for pull request base (open-release/palm.master@73610bf). Click here to learn what that means.
Patch has no changes to coverable lines.

Additional details and impacted files

@@                     Coverage Diff                     @@
##             open-release/palm.master    #1191   +/-   ##
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  Coverage                            ?   86.95%           
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  Files                               ?      253           
  Lines                               ?     4371           
  Branches                            ?     1108           
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  Hits                                ?     3801           
  Misses                              ?      551           
  Partials                            ?       19           

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[itsjeyd]

@Lunyachek Thanks for the changes! I'm marking them as ready for review, but if you'd like to continue working on them some more please let me know.

CC @mattcarter @openedx/content-aurora

[cmltaWt0]

@itsjeyd @mattcarter I'm planning to release Palm.4 today.
This PR is merged in master, could I merge it to palm.master to have it in the palm.4?

[itsjeyd]

@cmltaWt0 Sounds good to me, but if you haven't already, please double-check with @mattcarter via #maintainers-pilot on Slack before hitting the button.

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