[2201.8.x] Fix value conversion error for inline record creation with special characters

[HindujaB]

Purpose

$subject

Fixes #41633

Approach

As we use the decoded identifiers in the value conversions, the generated record value creators should have the same representation in the switch cases. This PR fixes it by using the Utils.unescapeBallerina() API.

Samples

import ballerina/io;

public type Copybook record {
    DFHCOMMAREA DFHCOMMAREA?;
};

public type DFHCOMMAREA record {
    record {
        string MI\-HDR\-VERSION?;
        string MI\-HDR\-MSGID?;
        string MI\-HDR\-LOGGINGID?;
        record {
            string MI\-HDR\-REPLYQMGR?;
        }[2] MI\-HDR\-REPLYSTACK?;
    } BROKER\-MESSAGE\-AREA?;
};

public function main() returns error? {
    string s = string `{
    "DFHCOMMAREA": {
        "BROKER-MESSAGE-AREA": {
            "MI-HDR-VERSION": "2",
            "MI-HDR-MSGID":"3238763233323598798798712321187612",
            "MI-HDR-LOGGINGID": "Z5118761-Z"
        }
    }
    }`;
    json rec = checkpanic value:fromJsonString(s);
    map<json> mapJson = check rec.ensureType();
    Copybook dfhcommarea = check mapJson.cloneWithType();
    io:println(dfhcommarea.DFHCOMMAREA?.BROKER\-MESSAGE\-AREA);
}

Remarks

List any other known issues, related PRs, TODO items, or any other notes related to the PR.

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

All modified and coverable lines are covered by tests ✅

Comparison is base (13e4b90) 76.34% compared to head (4951240) 76.34%.
Report is 7 commits behind head on 2201.8.x.

Additional details and impacted files

@@             Coverage Diff             @@
##             2201.8.x   #41641   +/-   ##
===========================================
  Coverage       76.34%   76.34%           
- Complexity      52517    52518    +1     
===========================================
  Files            2881     2881           
  Lines          198585   198587    +2     
  Branches        25801    25802    +1     
===========================================
+ Hits           151610   151615    +5     
+ Misses          38618    38614    -4     
- Partials         8357     8358    +1     

Files	Coverage Δ
...rinalang/compiler/bir/codegen/JvmDesugarPhase.java	95.13% <100.00%> (+0.04%)	⬆️

... and 5 files with indirect coverage changes

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[gabilang]

LGTM