FLPATH-377: fix log not found

[RichardW98]

What this PR does / why we need it:
this pr fixes an error that log endpoint returning 404 when task has no log
Which issue(s) this PR fixes (optional, use fixes #<issue_number>(, fixes #<issue_number>, ...) format, where issue_number might be a GitHub issue, or a Jira story (FLPATH-xxxx):
Fixes #377

Change type

• New feature
• Bug fix
• Unit tests
• Integration tests
• CI
• Documentation
• Auto-generated SDK code

Impacted services

• Workflow Service
• Notification Service

Checklist

• Subject and description added to both, commit and PR.
• Relevant issues have been referenced.

[openshift-ci-robot]

@RichardW98: This pull request references FLPATH-377 which is a valid jira issue.

In response to this:

What this PR does / why we need it:
this pr fixes an error that log endpoint returning 404 when task has no log
Which issue(s) this PR fixes (optional, use fixes #<issue_number>(, fixes #<issue_number>, ...) format, where issue_number might be a GitHub issue, or a Jira story (FLPATH-xxxx):
Fixes #377

Change type

• New feature
• Bug fix
• Unit tests
• Integration tests
• CI
• Documentation
• Auto-generated SDK code

Impacted services

• Workflow Service
• Notification Service

Checklist

• Subject and description added to both, commit and PR.
• Relevant issues have been referenced.

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[anludke]

/lgtm

[openshift-ci]

[APPROVALNOTIFIER] This PR is APPROVED

This pull-request has been approved by: anludke

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