Improve performance of array add operation and type checker

[warunalakshitha]

Purpose

Fixes #43694

• Read the Contributing Guide
• Updated Change Log
• Checked Tooling Support (#)
• Added necessary tests
  • Unit Tests
  • Spec Conformance Tests
  • Integration Tests
  • Ballerina By Example Tests
• Increased Test Coverage
• Added necessary documentation
  • API documentation
  • Module documentation in Module.md files
  • Ballerina By Examples

[heshanpadmasiri]

LGTM

[HindujaB]

LGTM

[lochana-chathura]

LGTM

[codecov]

Codecov Report

Attention: Patch coverage is 76.47059% with 4 lines in your changes missing coverage. Please review.

Please upload report for BASE (2201.11.0-stage@109f6cc). Learn more about missing BASE report.
Report is 9 commits behind head on 2201.11.0-stage.

Files with missing lines	Patch %	Lines
...lerina/runtime/internal/values/ArrayValueImpl.java	71.42%	2 Missing and 2 partials ⚠️

Additional details and impacted files

@@                Coverage Diff                 @@
##             2201.11.0-stage   #43701   +/-   ##
==================================================
  Coverage                   ?   77.22%           
  Complexity                 ?    58799           
==================================================
  Files                      ?     3527           
  Lines                      ?   221752           
  Branches                   ?    28815           
==================================================
  Hits                       ?   171250           
  Misses                     ?    40841           
  Partials                   ?     9661           

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