TitleBarPaneCompactMarginDefault set to 35 to prevent icon moving.

[AncientGrief]

Toggling the NavigationBar no longer makes the TitleBar title and icon jump around.

Please check the type of change your PR introduces:

• [ ] Update
• [x] Bugfix
• [ ] Feature
• [ ] Code style update (formatting, renaming)
• [ ] Refactoring (no functional changes, no api changes)
• [ ] Build related changes
• [ ] Documentation content changes

What is the current behavior?

• Title and icon in the TitleBar jump around, when toggling the NavigationMenu to show icons only.

Base on this discussion: https://github.com/lepoco/wpfui/discussions/911

Bug: https://github.com/lepoco/wpfui/issues/1194

What is the new behavior?

• Toggling the NavigationBar no longer makes the TitleBar title and icon jump around.