fix(wizard): align save button correctly when hideNavigation is true (back port)

[ljanner]

Back port of #1507.

This fixes an edge case where hideNavigation is true and the previous/next buttons are hidden.

• I confirm that this MR follows the contribution guidelines.

[Copilot]

Pull request overview

Backport of #1507 to fix an alignment edge case in the Element NG wizard footer: when hideNavigation is enabled (previous/next hidden), the Save button should align to the end on the last step.

Changes:

• Add conditional end class to the footer Save button when hideNavigation() is true.
• Add a regression test verifying Save button alignment on the last step when navigation is hidden.

Reviewed changes

Copilot reviewed 2 out of 2 changed files in this pull request and generated no comments.

File	Description
projects/element-ng/wizard/si-wizard.component.html	Applies [class.end]="hideNavigation()" to the footer Save button to align it to the end when nav buttons are hidden.
projects/element-ng/wizard/si-wizard.component.spec.ts	Adds a test covering the “inline navigation off + navigation hidden + last step” alignment case.

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[github-actions]

[gemini-code-assist]

Code Review

This pull request effectively resolves an alignment issue with the 'Save' button in the wizard component when navigation is hidden. The solution, which involves conditionally applying a CSS class, is clean and direct. The addition of a new unit test is commendable, as it specifically targets and verifies the fix, ensuring the component behaves as expected in this edge case. The changes are of high quality and represent a good improvement.

[github-actions]

Documentation.
Examples.
Playwright report.

Coverage Reports:

• element-ng
• element-translate-ng