Fix safari pop-up issue with new LinkButton widget

[edan-bainglass]

This PR introduces a LinkButton widget that mimics a ipywidgets.Button via an ipywidgets.HTML wrapper around an anchor tag (<a>).

Resolves #891
Resolves #988

[codecov]

Codecov Report

All modified and coverable lines are covered by tests ✅

Project coverage is 69.17%. Comparing base (0ca7430) to head (55e5867).
Report is 1 commits behind head on main.

Additional details and impacted files

@@            Coverage Diff             @@
##             main    #1011      +/-   ##
==========================================
+ Coverage   69.10%   69.17%   +0.07%     
==========================================
  Files         117      117              
  Lines        6499     6508       +9     
==========================================
+ Hits         4491     4502      +11     
+ Misses       2008     2006       -2     

Flag	Coverage Δ
python-3.11	69.17% <100.00%> (+0.07%)	⬆️
python-3.9	69.19% <100.00%> (+0.07%)	⬆️

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[superstar54]

Thanks for the work!
Have you tested this on the Safari browser?

[edan-bainglass]

Thanks for the work! Have you tested this on the Safari browser?

Sure haven't. @giovannipizzi could you test the PR, see if it fixes your issue?

[edan-bainglass]

Thanks for the work! Have you tested this on the Safari browser?

Hi @superstar54 for the sake of time, can we approve this one? A quick lookup online suggests that using an anchor tag (via an HTML widget) is standard across browsers and should not trigger a pop-up in Safari (where a button click trigger of JS window.open does).

Worst case, it doesn't work (same situation we're in without this PR) and we pursue another solution.

[superstar54]

Hi @superstar54 for the sake of time, can we approve this one? A quick lookup online suggests that using an anchor tag (via an HTML widget) is standard across browsers and should not trigger a pop-up in Safari (where a button click trigger of JS window.open does).

Sure! Thanks for the work!