Fix Fluent Control Brushes Resource Value

### Description

Currently a few fluent controls resource have wrong values, which brings a visual difference in the controls as compared to WinUI.
See #9987 for more information

> If you notice the MenuBarItemBackgroundMousePointer is also flat wrong as it should be pointing to the secondary instead of tertiary brush...

### Reproduction Steps

Use Fluent theme in WPF to see the difference.

### Expected behavior

Styles should match WinUI fluent styles wherever possible.

### Actual behavior

Styles in WPF differ slightly as compared to WinUI styles.