Use correct logo for SUSE Virtualization

[nwmac]

Note: This PR is based on the i18n-globals PR - do not merge until that PR has been merged

Summary

• Use l10n globals to switch the Harvester product name between "Harvester" and "SUSE Virtualization"
• Add SUSE Virtualization logo assets (light + dark)
• Switch the Harvester logo based on the active branding

Checklist

• The PR is linked to an issue and the linked issue has a Milestone, or no issue is needed
• The PR has a Milestone
• The PR template has been filled out
• The PR has been self reviewed
• The PR has a reviewer assigned
• The PR has automated tests or clear instructions for manual tests and the linked issue has appropriate QA labels, or tests are not needed
• The PR has reviewed with UX and tested in light and dark mode, or there are no UX changes
• The PR has been reviewed in terms of Accessibility
• The PR has considered, and if applicable tested with, the three Global Roles Admin, Standard User and User Base

🤖 Generated with Claude Code

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Commit	Workflow run	Retried at
363d47c	31116587135	2026-08-06 15:42 UTC