Fix mismatch error

[kalaiyarasiganeshalingam]

Purpose

$Subject

Fixes ballerina-platform/ballerina-library#3802

Examples

Checklist

• Linked to an issue
• Updated the changelog
• Added tests
• Updated the spec
• Checked native-image compatibility

[sonarcloud]

Kudos, SonarCloud Quality Gate passed!   

0 Bugs
0 Vulnerabilities
0 Security Hotspots
0 Code Smells

No Coverage information
No Duplication information

[codecov]

Codecov Report

Patch coverage: 93.25% and project coverage change: +0.32% 🎉

Comparison is base (7854b72) 89.77% compared to head (6b1e159) 90.10%.

Additional details and impacted files

@@             Coverage Diff              @@
##              2.6.x     #518      +/-   ##
============================================
+ Coverage     89.77%   90.10%   +0.32%     
- Complexity      229      248      +19     
============================================
  Files             8        9       +1     
  Lines           841      889      +48     
  Branches        282      290       +8     
============================================
+ Hits            755      801      +46     
- Misses           48       51       +3     
+ Partials         38       37       -1     

Files Changed	Coverage Δ
...in/java/io/ballerina/stdlib/xmldata/XmlToJson.java	84.43% <91.37%> (+0.73%)	⬆️
...o/ballerina/stdlib/xmldata/utils/XmlDataUtils.java	95.69% <91.66%> (ø)
...n/java/io/ballerina/stdlib/xmldata/MapFromXml.java	92.64% <100.00%> (+0.84%)	⬆️
...a/io/ballerina/stdlib/xmldata/utils/Constants.java	100.00% <100.00%> (ø)
...o/ballerina/stdlib/xmldata/utils/FieldDetails.java	100.00% <100.00%> (ø)

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