Improve error message for mismatch in worker send-receive pairing

[lochana-chathura]

Purpose

$subject.

Fixes #41953

Approach

n/a

Samples

function sample() {
    worker w1 {
        20 -> w2; // ERROR [test.bal:(3:9,3:17)] invalid worker send, no matching worker receive
    }

    worker w2 {
    }

    worker w3 {
        int _ = <- w2; // ERROR [test.bal:(10:17,10:22)] invalid worker receive, no matching worker send
    }
}

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

[codecov]

Codecov Report

Attention: 56 lines in your changes are missing coverage. Please review.

Comparison is base (29ba176) 76.69% compared to head (adf365b) 76.69%.
Report is 4 commits behind head on worker_change.

Files	Patch %	Lines
...o/ballerina/compiler/syntax/tree/TreeModifier.java	0.00%	14 Missing ⚠️
.../compiler/internal/parser/tree/STTreeModifier.java	0.00%	9 Missing ⚠️
...iler/internal/parser/tree/STSingleReceiveNode.java	53.33%	7 Missing ⚠️
...iler/internal/parser/tree/STStreamReceiveNode.java	61.11%	7 Missing ⚠️
...a/compiler/internal/parser/tree/STNodeVisitor.java	0.00%	5 Missing ⚠️
...rina/compiler/internal/parser/BallerinaParser.java	91.17%	2 Missing and 1 partial ⚠️
...mpiler/internal/parser/tree/STNodeTransformer.java	0.00%	3 Missing ⚠️
...allerina/compiler/syntax/tree/NodeTransformer.java	0.00%	3 Missing ⚠️
...lerina/compiler/syntax/tree/StreamReceiveNode.java	91.42%	2 Missing and 1 partial ⚠️
...r/internal/parser/tree/STAlternateReceiveNode.java	50.00%	2 Missing ⚠️

Additional details and impacted files

@@                Coverage Diff                @@
##             worker_change   #41999    +/-   ##
=================================================
  Coverage            76.69%   76.69%            
- Complexity           52845    52907    +62     
=================================================
  Files                 2885     2889     +4     
  Lines               199403   199615   +212     
  Branches             25900    25912    +12     
=================================================
+ Hits                152926   153100   +174     
- Misses               38029    38064    +35     
- Partials              8448     8451     +3     

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