Add Missing Fields of Schema Related Records

[ThisaruGuruge]

Purpose

$Subject

Fixes: #1330

Examples

Checklist

• Linked to an issue
• Updated the changelog
• Added tests

[codecov]

Codecov Report

Merging #196 (1cf0557) into master (355f5d3) will decrease coverage by 0.03%.
The diff coverage is 94.11%.

@@             Coverage Diff              @@
##             master     #196      +/-   ##
============================================
- Coverage     89.49%   89.46%   -0.04%     
  Complexity      196      196              
============================================
  Files            41       41              
  Lines          1647     1651       +4     
  Branches        663      663              
============================================
+ Hits           1474     1477       +3     
- Misses          157      158       +1     
  Partials         16       16              

Impacted Files	Coverage Δ	Complexity Δ
graphql-ballerina/records.bal	72.22% <83.33%> (+0.79%)	0.00 <0.00> (ø)
graphql-ballerina/common_utils.bal	94.33% <100.00%> (ø)	0.00 <0.00> (ø)
graphql-ballerina/validator_visitor.bal	89.70% <100.00%> (ø)	0.00 <0.00> (ø)

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