Set Tabulator to render into explicit popup container

[philippjfr]

Not entirely happy with this as the editor isn't aligned quite right but I played with all the options and couldn't find one that produced the correct result.

Fixes #7295

[codecov]

Codecov Report

All modified and coverable lines are covered by tests ✅

Project coverage is 71.78%. Comparing base (d4f7d68) to head (ba47027).
Report is 5 commits behind head on main.

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HEAD has 9 uploads less than BASE

Flag	BASE (d4f7d68)	HEAD (ba47027)
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Additional details and impacted files

@@             Coverage Diff             @@
##             main    #7299       +/-   ##
===========================================
- Coverage   82.18%   71.78%   -10.40%     
===========================================
  Files         337      336        -1     
  Lines       50380    50379        -1     
===========================================
- Hits        41407    36167     -5240     
- Misses       8973    14212     +5239     

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[hoxbro]

Seeing this problem for one of my examples in the original issue:

[philippjfr]

Yep, seeing that too. Not sure what to do about it.

[hoxbro]

What about making this setting an option for now?

Or maybe document the behavior, as it can be enabled by the configuration directly: pn.widgets.Tabulator(... configuration={"popupContainer": True})