[TASK] Blank space in the Edit workspace kind form

[jenny-s51]

Certification

• I certify I am an Epic Owner for Kubeflow Notebooks 2.0 and expected to create planning-related issues.

Description

Currently when the user scrolls within this page container, there is additional whitespace on the bottom that is scrollable.

Acceptance Criteria

• [] Page section should take full height and no whitespace should be visible.

[jenny-s51]

/assign