Improve Wording for Cluster Storage Editing

[ppadti]

Closes: #1610

Description

This PR will change the wording (already reviewed by UX) for Cluster Storage Editing.

How Has This Been Tested?

1. Create a Workbench with a new storage
2. When the Workbench has started, edit the storage

Test Impact

Request review criteria:

Self checklist (all need to be checked):

• The developer has manually tested the changes and verified that the changes work
• Commits have been squashed into descriptive, self-contained units of work (e.g. 'WIP' and 'Implements feedback' style messages have been removed)
• Testing instructions have been added in the PR body (for PRs involving changes that are not immediately obvious).
• The developer has added tests or explained why testing cannot be added (unit tests & storybook for related changes)

If you have UI changes:

• Included any necessary screenshots or gifs if it was a UI change.
• Included tags to the UX team if it was a UI/UX change.

After the PR is posted & before it merges:

• The developer has tested their solution on a cluster by using the image produced by the PR to main

[manaswinidas]

/lgtm

@ppadti Please check the checkboxes in the PR description.

[manaswinidas]

@ppadti Also, please squash all commits as mentioned in the PR description.

[lucferbux]

/lgtm

Great job here!

[openshift-ci]

[APPROVALNOTIFIER] This PR is APPROVED

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This pull-request has been approved by: lucferbux, manaswinidas

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[lucferbux]

Approving since @manaswinidas lgtm it before squashing.