enh: Also pretty print 1 dim HoloViews widget

[hoxbro]

Fixes holoviz/holoviews#6522

[codecov]

Codecov Report

All modified and coverable lines are covered by tests ✅

Project coverage is 87.20%. Comparing base (3cf11b8) to head (72cfe05).
Report is 1 commits behind head on main.

Additional details and impacted files

@@            Coverage Diff             @@
##             main    #7775      +/-   ##
==========================================
+ Coverage   87.18%   87.20%   +0.01%     
==========================================
  Files         346      346              
  Lines       52860    52872      +12     
==========================================
+ Hits        46088    46107      +19     
+ Misses       6772     6765       -7     

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