[RHOAIENG-17003] Fixing missing RHOAI logo on dark mode.

[ugiordan]

Description

JIRA: https://issues.redhat.com/browse/RHOAIENG-17003
fixing the missing RHOAI logo when selecting dark mode on dashboard.

How Has This Been Tested?

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
• 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 or cypress tests 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

[andrewballantyne]

Please submit all code changes to the ODH https://github.com/opendatahub-io/odh-dashboard repo.

Thanks!

[andrewballantyne]

Oops, this is changing the Konflux dockerfile... missed that.

[sonarqubecloud]

Quality Gate failed

Failed conditions
1 Security Hotspot
C Maintainability Rating on New Code (required ≥ A)

See analysis details on SonarQube Cloud

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