[ISSUE #4596]Fix SourceWorker#convertRecordToEvent method converts ConnectRecord to CloudEvent throw NPE

[mxsm]

…nnectRecord to CloudEvent throw NPE

Fixes #4596

Motivation

Explain the content here.
Explain why you want to make the changes and what problem you're trying to solve.

• Fix SourceWorker#convertRecordToEvent method converts ConnectRecord to CloudEvent throw NPE

Modifications

Describe the modifications you've done.

• Fix SourceWorker#convertRecordToEvent method converts ConnectRecord to CloudEvent throw NPE

Documentation

• Does this pull request introduce a new feature? (yes / no)
• If yes, how is the feature documented? (not applicable / docs / JavaDocs / not documented)
• If a feature is not applicable for documentation, explain why?
• If a feature is not documented yet in this PR, please create a followup issue for adding the documentation

[hhuang1231]

org.apache.eventmesh.openconnect.util.CloudEventUtil has two method will involve conversion between CloudEvent and ConnectRecord, is there a similar problem?

[codecov]

Codecov Report

All modified and coverable lines are covered by tests ✅

Comparison is base (5998926) 16.79% compared to head (3a9f192) 16.79%.

Additional details and impacted files

@@            Coverage Diff            @@
##             master    #4597   +/-   ##
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  Coverage     16.79%   16.79%           
  Complexity     1677     1677           
=========================================
  Files           782      782           
  Lines         29317    29317           
  Branches       2532     2532           
=========================================
  Hits           4924     4924           
  Misses        23933    23933           
  Partials        460      460           

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[mxsm]

org.apache.eventmesh.openconnect.util.CloudEventUtil has two method will involve conversion between CloudEvent and ConnectRecord, is there a similar problem?

Yes I will fix it

[mxsm]

ping @hhuang1231