Change category name to look more like codes

[kislaykishore]

Currently, the category names are phrases/sentences. Keeping it as codes makes them more succinct and easily searchable.

Description

Link to the issue in case of a bug fix.

NA

Testing details

1. Manual - NA
2. Unit tests - NA
3. Integration tests - NA

[codecov]

Codecov Report

Attention: Patch coverage is 88.23529% with 2 lines in your changes missing coverage. Please review.

Project coverage is 79.03%. Comparing base (f235e75) to head (c129b9d).

Files	Patch %	Lines
internal/fs/wrappers/monitoring.go	88.23%	2 Missing ⚠️

Additional details and impacted files

@@            Coverage Diff             @@
##           master    #2390      +/-   ##
==========================================
- Coverage   79.07%   79.03%   -0.04%     
==========================================
  Files         105      105              
  Lines       11572    11572              
==========================================
- Hits         9150     9146       -4     
- Misses       1958     1961       +3     
- Partials      464      465       +1     

Flag	Coverage Δ
unittests	79.03% <88.23%> (-0.04%)	⬇️

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[charith87]

Approving.

[hime]

/lgtm