fix: Added course_type for all stats, skills and enrollments data

[irfanuddinahmad]

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

[codecov]

Codecov Report

✅ All modified and coverable lines are covered by tests.
✅ Project coverage is 86.88%. Comparing base (48a2195) to head (dc51a07).
⚠️ Report is 1 commits behind head on master.

Additional details and impacted files

@@            Coverage Diff             @@
##           master    #1633      +/-   ##
==========================================
+ Coverage   86.85%   86.88%   +0.03%     
==========================================
  Files         780      780              
  Lines       17685    17694       +9     
  Branches     3695     3707      +12     
==========================================
+ Hits        15360    15374      +14     
+ Misses       2249     2244       -5     
  Partials       76       76              

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