[2201.9.0-stage] Add dummy strand for non strand cases

[warunalakshitha]

Purpose

Fixes https://github.com/ballerina-platform/ballerina-lang/issues/42628

Check List

• [x] 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[bot]]

Codecov Report

All modified and coverable lines are covered by tests :white_check_mark:

:exclamation: No coverage uploaded for pull request base (2201.9.0-stage@526b105). Click here to learn what that means.

Additional details and impacted files

```diff @@ Coverage Diff @@ ## 2201.9.0-stage #42635 +/- ## ================================================= Coverage ? 76.78% Complexity ? 53993 ================================================= Files ? 2924 Lines ? 204073 Branches ? 26629 ================================================= Hits ? 156693 Misses ? 38835 Partials ? 8545 ```

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