[TASK] Workspace Kind: Add More Context to Selection Step 1

[jenny-s51]

Users need more information about what a "workspace kind" is and why it needs to be selected during workbench creation.

UX Recommendation: Add an explanation of "workspace kind" and its purpose.

[jenny-s51]

/area frontend /area v2

[google-oss-prow]

@jenny-s51: The label(s) area//area cannot be applied, because the repository doesn't have them.

In response to this:

/area frontend /area v2

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[jenny-s51]

/assign

[jenny-s51]

/kind plan-task