Merge Column Attributes Back in if Sortable

[lrljoe]

This re-merges attributes for the Column TH Span - if it is sortable

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[codecov]

Codecov Report

All modified and coverable lines are covered by tests ✅

Project coverage is 88.57%. Comparing base (40485a0) to head (a1ca308).
Report is 45 commits behind head on development.

Additional details and impacted files

@@                Coverage Diff                @@
##             development    #1833      +/-   ##
=================================================
+ Coverage          87.14%   88.57%   +1.43%     
- Complexity          1495     1622     +127     
=================================================
  Files                139      150      +11     
  Lines               3484     3765     +281     
=================================================
+ Hits                3036     3335     +299     
+ Misses               448      430      -18     

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