[Bug]: Found redeclared symbol diagnostic repeated for duplicate workers

[nipunayf]

Description

$title with the names worker1 and 0worker1.

Steps to Reproduce

Build the Ballerina project for the following source code.

public function main() {
    fork {
        worker worker1 {
        }
        worker worker1 {
        }
    }
}

Affected Version(s)

U12

OS, DB, other environment details and versions

No response

Related area

-> Compilation

Related issue(s) (optional)

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