chore: Migrate deprecated Table to DataTable for LearnerActivityTable

[zwidekalanga]

For all changes

• Ensure adequate tests are in place (or reviewed existing tests cover changes)

Only if submitting a visual change

• Ensure to attach screenshots
• Ensure to have UX team confirm screenshots

Screenshot

[codecov]

Codecov Report

Attention: Patch coverage is 56.89655% with 25 lines in your changes missing coverage. Please review.

Project coverage is 85.37%. Comparing base (115c430) to head (3637b96).

Files with missing lines	Patch %	Lines
...erActivityTable/data/hooks/useCourseEnrollments.js	26.47%	21 Missing and 4 partials ⚠️

Additional details and impacted files

@@            Coverage Diff             @@
##           master    #1288      +/-   ##
==========================================
- Coverage   85.52%   85.37%   -0.15%     
==========================================
  Files         564      566       +2     
  Lines       12351    12397      +46     
  Branches     2621     2586      -35     
==========================================
+ Hits        10563    10584      +21     
- Misses       1729     1751      +22     
- Partials       59       62       +3     

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