HPCC-34894 ECL Watch v9 change WU Helpers downloads

[jeclrsg]

• changed the Zip and Gzip buttons on the WU Helpers page to make use of /WsWorkunits/WUHelperFileArchive rather than opening separate tabs to download each file individually
• also fixed a couple of unrelated eslint errors

depends upon #21053

Type of change:

• This change is a bug fix (non-breaking change which fixes an issue).
• This change is a new feature (non-breaking change which adds functionality).
• This change improves the code (refactor or other change that does not change the functionality)
• This change fixes warnings (the fix does not alter the functionality or the generated code)
• This change is a breaking change (fix or feature that will cause existing behavior to change).
• This change alters the query API (existing queries will have to be recompiled)

Checklist:

• My code follows the code style of this project.
  • My code does not create any new warnings from compiler, build system, or lint.
• The commit message is properly formatted and free of typos.
  • The commit message title makes sense in a changelog, by itself.
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  • I have created a JIRA ticket to update the documentation.
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Testing:

[Copilot]

Pull request overview

Updates ECL Watch’s WU Helpers downloads to use the /WsWorkunits/WUHelperFileArchive endpoint (single archive download) and includes a couple of eslint-related cleanups.

Changes:

• Switch Zip/GZip actions in WU Helpers to POST to /WsWorkunits/WUHelperFileArchive and download the returned archive blob.
• Refactor WorkunitsDashboard data transforms to use pipe instead of chain and tighten some typings.
• Minor eslint/format fixes.

Reviewed changes

Copilot reviewed 3 out of 3 changed files in this pull request and generated 3 comments.

File	Description
esp/src/src-react/components/forms/Fields.tsx	Small formatting/lint fix (semicolon).
esp/src/src-react/components/WorkunitsDashboard.tsx	Refactors dataflow pipelines from chain to pipe and adjusts typing.
esp/src/src-react/components/Helpers.tsx	Implements archive-based helper downloads via POST + blob download, updates command bar buttons.

[github-actions]

Jira Issue: https://hpccsystems.atlassian.net//browse/HPCC-34894

Jirabot Action Result:
Workflow Transition To: Merge Pending
Updated PR