fix(breadbrumbs): update CSS selector to .current since .current is always last.

[mJarsater]

#539

Describe pull-request

Update CSS selector to hide the arrow on a breadcrumb to .current since .current is always last.

Issue Linking:

Choose one of the following options

• Jira: Add ticket number after CDEP-: CDEP-
• GitHub: #556
• No issue: Describe the problem being solved.

How to test

1. Go to Breadcrumbs
2. Make sure the last breadcrumb has no arrow
3. Try it in the demo pages
4. Make sure to try it by navigating between pages

Checklist before submission

• [ ] I have added unit tests for my changes (if applicable)
• [ ] All existing tests pass
• [ ] I have updated the documentation (if applicable)
• [ ] Not breaking production behavior
• [ ] Behavior available in storybook with documented descriptions (if applicable)
• [ ] npm run build-all without errors

Suggested test steps

• [ ] Browser testing (Chrome, Safari, Firefox)
• [ ] Keyboard operability
• [ ] Interactive elements have labels.
• [ ] Storybook controls
• [ ] Design/controls/props is aligned with other components
• [ ] Dark/light mode and variants
• [ ] Input fields – values should be displayed properly
• [ ] Events

Screenshots

Include before/after screenshots for UI changes.

Additional context

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