IWF-1133: fix threading with continue as new

[ktrops]

Description

Checklist

• Code compiles correctly
• Tests for the changes have been added
• All tests passing
• This PR change is backwards-compatible
• This PR CONTAINS a (planned) breaking change (it is not backwards compatible)

Related Issue

Closes #issue_number

[codecov]

Codecov Report

❌ Patch coverage is 90.90909% with 2 lines in your changes missing coverage. Please review.
✅ Project coverage is 65.84%. Comparing base (fb741d0) to head (e61a247).
⚠️ Report is 1 commits behind head on main.

Files with missing lines	Patch %	Lines
service/interpreter/workflowImpl.go	90.00%	2 Missing ⚠️

Additional details and impacted files

@@            Coverage Diff             @@
##             main     #595      +/-   ##
==========================================
- Coverage   66.35%   65.84%   -0.51%     
==========================================
  Files          65       64       -1     
  Lines        7564     6433    -1131     
==========================================
- Hits         5019     4236     -783     
+ Misses       2220     1872     -348     
  Partials      325      325              

Files with missing lines	Coverage Δ
service/interpreter/globalVersioner.go	88.88% <100.00%> (-0.86%)	⬇️
service/interpreter/workflowImpl.go	86.77% <90.00%> (+1.31%)	⬆️

... and 56 files with indirect coverage changes

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[longquanzheng]

need to update the comment

[ktrops]

Done!