Ballerina 1.2.8 IntelliJ plugin debug client doesn't connect to the remote debug server

[praveennadarajah]

Description:
$subject

Steps to reproduce:
Add a debug point in main() function and run the program in debug mode.

import ballerina/io;

public function main() {
    io:println("Hello, World!");
}

The following output will be shown in the debug consolde:

Ballerina Debugging is an experimental feature.
Visit https://ballerina.io/learn/tools-ides/intellij-plugin/using-intellij-plugin-features#debugging-ballerina-programs for known limitations and workarounds.

Waiting for debug process to start...

/Library/Ballerina/distributions/ballerina-slp1/bin/ballerina run --debug 54444 --sourceroot /Users/praveen/Desktop/test/balProject2 balModule
Compiling source
	praveen/balModule:0.1.0

Creating balos
	target/balo/balModule-2020r2-any-0.1.0.balo
	target/bin/balModule.jar

Running executables

Listening for transport dt_socket at address: 54444
Connection to debug server at host:127.0.0.1 and port: 54444 could not be established.

Process finished with exit code 130 (interrupted by signal 2: SIGINT)

Affected Versions:
Ballerina - 1.2.8