Integrate error semtype into compiler

[lochana-chathura]

Purpose

$subject.

Fixes #42811
Fixes #43030

Approach

n/a

Samples

n/a

Remarks

n/a

Check List

• 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]

Changes LGTM

[codecov]

Codecov Report

Attention: Patch coverage is 77.19298% with 13 lines in your changes missing coverage. Please review.

Project coverage is 77.37%. Comparing base (ec7d084) to head (58f41b3).
Report is 1 commits behind head on nutcracker.

Files	Patch %	Lines
...llerinalang/compiler/bir/writer/BIRTypeWriter.java	0.00%	3 Missing ⚠️
...alang/compiler/semantics/analyzer/SymbolEnter.java	33.33%	2 Missing ⚠️
.../ballerinalang/compiler/BIRPackageSymbolEnter.java	80.00%	1 Missing ⚠️
...g/wso2/ballerinalang/compiler/desugar/Desugar.java	0.00%	1 Missing ⚠️
.../compiler/semantics/analyzer/SemanticAnalyzer.java	0.00%	1 Missing ⚠️
...compiler/semantics/analyzer/TypeParamAnalyzer.java	0.00%	1 Missing ⚠️
...ang/compiler/semantics/model/types/BErrorType.java	91.66%	0 Missing and 1 partial ⚠️
semtypes/src/main/java/io/ballerina/types/Env.java	75.00%	1 Missing ⚠️
...mtypes/src/main/java/io/ballerina/types/Error.java	80.00%	0 Missing and 1 partial ⚠️
...ain/java/io/ballerina/types/PredefinedTypeEnv.java	0.00%	1 Missing ⚠️

Additional details and impacted files

@@               Coverage Diff                @@
##             nutcracker   #42912      +/-   ##
================================================
+ Coverage         77.36%   77.37%   +0.01%     
- Complexity        52390    52414      +24     
================================================
  Files              2996     2996              
  Lines            207902   207927      +25     
  Branches          27192    27196       +4     
================================================
+ Hits             160833   160888      +55     
+ Misses            38209    38195      -14     
+ Partials           8860     8844      -16     

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