Fix null pointer issue

[Shaddoll]

What changed?
Fix a null pointer issue

Why?
Fix bug

How did you test it?

Potential risks

Release notes

Documentation Changes

[codecov]

Codecov Report

Attention: Patch coverage is 0% with 1 line in your changes missing coverage. Please review.

Project coverage is 83.26%. Comparing base (eb20e12) to head (e5a4005).
Report is 1 commits behind head on master.

Files with missing lines	Patch %	Lines
...adence/internal/common/WorkflowExecutionUtils.java	0.00%	0 Missing and 1 partial ⚠️

Files with missing lines	Coverage Δ	Complexity Δ
...adence/internal/common/WorkflowExecutionUtils.java	77.26% <0.00%> (ø)	98.00 <0.00> (ø)

... and 6 files with indirect coverage changes

---

Continue to review full report in Codecov by Sentry.

Legend - Click here to learn more
Δ = absolute <relative> (impact), ø = not affected, ? = missing data
Powered by Codecov. Last update eb20e12...e5a4005. Read the comment docs.