fix(wizard): improve screen reader text for stepnav items

[kevinbuhmann]

• Add "Step" before step number.
• Replace untranslated step status icon labels with translated text.

PR Checklist

• [N/A] Tests for the changes have been added (for bug fixes / features)
• [N/A] Docs have been added / updated (for bug fixes / features)
• [N/A] If applicable, have a visual design approval

PR Type

Bugfix

What is the current behavior?

• For uncompleted steps, the wizard step nav reads "1 [step title]". I doesn't read "step" before the step number.
• For completed steps, the wizard step nav reads "complete 1 [step title] completed". The first "complete" is not translated, and the second one is redundant.
• For steps with an error, the wizard step nav reads "error 1 [step title] error". The first "error" is not translated, and the second one is redundant.

Issue Number: CDE-2292

What is the new behavior?

• For uncompleted steps, the wizard step nav reads "step 1 [step title]".
• For completed steps, the wizard step nav reads "completed step 1 [step title]".
• For steps with an error, the wizard step nav reads "error step 1 [step title]".

Does this PR introduce a breaking change?

The "Step" text will need to be translated. We don't count new common strings as breaking changes.

[github-actions]

👋 @kevinbuhmann,

• 🙏 The Clarity team thanks you for opening a pull request
• 🎉 The build for this PR has succeeded
• 🔍 The PR is now ready for review
• 🍿 In the meantime, view a preview of this PR
• 🖐 You can always follow up here. If you're a VMware employee, you can also reach us on our internal Clarity Support space

Thank you,

🤖 Clarity Release Bot

[valentin-mladenov]

LGTM

[github-actions]

The backport to 16.x failed:

The process '/usr/bin/git' failed with exit code 1

To backport manually, run these commands in your terminal:

# Fetch latest updates from GitHub
git fetch
# Create a new working tree
git worktree add .worktrees/backport-16.x 16.x
# Navigate to the new working tree
cd .worktrees/backport-16.x
# Create a new branch
git switch --create backport-1558-to-16.x
# Cherry-pick the merged commit of this pull request and resolve the conflicts
git cherry-pick -x --mainline 1 33bba6b8055cc6ee0562fa2e42e04549e27a2bcc
# Push it to GitHub
git push --set-upstream origin backport-1558-to-16.x
# Go back to the original working tree
cd ../..
# Delete the working tree
git worktree remove .worktrees/backport-16.x

Then, create a pull request where the base branch is 16.x and the compare/head branch is backport-1558-to-16.x.