Change Option configures to optional fields

[daneshk]

Purpose

Related Issue: ballerina-platform/ballerina-library#5715
Fixes: ballerina-platform/ballerina-library#6038

Examples

Checklist

• Linked to an issue
• Updated the specification
• Updated the changelog
• Added tests
• Checked native-image compatibility

[codecov]

Codecov Report

All modified and coverable lines are covered by tests ✅

Project coverage is 79.93%. Comparing base (4774e26) to head (ba438cd).
Report is 254 commits behind head on master.

Additional details and impacted files

@@             Coverage Diff              @@
##             master    #1109      +/-   ##
============================================
- Coverage     80.06%   79.93%   -0.14%     
  Complexity       66       66              
============================================
  Files            11       11              
  Lines           291      289       -2     
  Branches         69       69              
============================================
- Hits            233      231       -2     
  Misses           28       28              
  Partials         30       30              

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[github-actions]

This PR has been open for more than 15 days with no activity. This will be closed in 3 days unless the stale label is removed or commented.

[github-actions]

This PR has been open for more than 15 days with no activity. This will be closed in 3 days unless the stale label is removed or commented.

[github-actions]

Closed PR due to inactivity for more than 18 days.