Fixing description to the policy

[rehanpfmr]

Description

Describe what this change achieves.

Issues Resolved

Closes #683

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[codecov]

Codecov Report

All modified and coverable lines are covered by tests ✅

Project coverage is 14.83%. Comparing base (06a6dc8) to head (58b8141).
Report is 89 commits behind head on main.

❗ There is a different number of reports uploaded between BASE (06a6dc8) and HEAD (58b8141). Click for more details.

HEAD has 1 upload less than BASE

Flag	BASE (06a6dc8)	HEAD (58b8141)
integration	1	0

Additional details and impacted files

@@             Coverage Diff             @@
##             main     #693       +/-   ##
===========================================
- Coverage   57.29%   14.83%   -42.46%     
===========================================
  Files         315      316        +1     
  Lines        9823    10354      +531     
===========================================
- Hits         5628     1536     -4092     
- Misses       2902     8736     +5834     
+ Partials     1293       82     -1211     

Flag	Coverage Δ
integration	?
unit	14.83% <ø> (+1.98%)	⬆️

Flags with carried forward coverage won't be shown. Click here to find out more.

Files with missing lines	Coverage Δ
opensearchapi/api_cat-plugins.go	0.00% <ø> (-100.00%)	⬇️

... and 303 files with indirect coverage changes

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[Jakob3xD]

Removing the omitempty option results in description being always present. Instead of removing it, we might want to consider changing the type to a pointer string.