feat(NcReferenceWidget): allow to enable resizable widget height

[backportbot]

Backport of #8665

Todo

• Review and resolve any conflicts
• Review and verify the backported changes
• Remove all the empty commits

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Learn more about backports at https://docs.nextcloud.com/server/stable/go.php?to=developer-backports.

[codecov]

Codecov Report

❌ Patch coverage is 1.47059% with 67 lines in your changes missing coverage. Please review.
✅ Project coverage is 53.10%. Comparing base (757ec3e) to head (717a755).

Files with missing lines	Patch %	Lines
src/components/NcRichText/NcReferenceWidget.vue	1.51%	52 Missing and 13 partials ⚠️
src/functions/reference/widgets.ts	0.00%	2 Missing ⚠️

Additional details and impacted files

@@            Coverage Diff             @@
##             main    #8695      +/-   ##
==========================================
- Coverage   54.03%   53.10%   -0.94%     
==========================================
  Files         106      106              
  Lines        3479     3544      +65     
  Branches     1009     1022      +13     
==========================================
+ Hits         1880     1882       +2     
- Misses       1355     1406      +51     
- Partials      244      256      +12     

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[mejo-]

Updated the backport and tested locally