[2201.7.x] Fix OOM error when parsing XML CData

[Nadeeshan96]

Purpose

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$title
Duplicate PR #41673
Fixes #41671

Approach

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Samples

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Remarks

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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

[HindujaB]

LGTM

[codecov]

Codecov Report

All modified and coverable lines are covered by tests ✅

Comparison is base (05141ec) 76.37% compared to head (593560e) 76.37%.
Report is 1 commits behind head on 2201.7.x.

Additional details and impacted files

@@             Coverage Diff             @@
##             2201.7.x   #41745   +/-   ##
===========================================
  Coverage       76.37%   76.37%           
  Complexity      55274    55274           
===========================================
  Files            3387     3387           
  Lines          208632   208636    +4     
  Branches        26976    26976           
===========================================
+ Hits           159340   159348    +8     
+ Misses          40580    40575    -5     
- Partials         8712     8713    +1     

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