[MAUI] I2_Spacing - Updating the vertical and horizontal spacing, the part of layout will change.

[kevinxufei]

Description

Updating the vertical and horizontal spacing, the part of layout will change.

Affected case: Vertical grid (HorizontalItemSpacing and VerticalItemSpacing) Horizontal grid (HorizontalItemSpacing and VerticalItemSpacing)

Note: 1.Swipe right (Horizontal grid) or scroll down (Vertical grid) to return the layout to normal. 2.The issue occurs when the maccatalyst window is displayed smaller (recorded below).

Steps to Reproduce

1.Deploy https://devdiv.visualstudio.com/Pkgs/_git/VS.TestAssets.Xaml?path=/Assets/Projects/ManualMauiTests to iOS/Maccatalyst. 2.Navigate to 'I CollectionView' -> 'I2_Spacing' -> 'Horizontal grid for HorizontalItemSpacing and VerticalItemSpacing'. 3.Updating the vertical and horizontal spacing, the layout of the second column will change

Actual Behavior: Updating the vertical and horizontal spacing, the part of layout will change. iOS: Vertical grid (HorizontalItemSpacing and VerticalItemSpacing): Horizontal grid (HorizontalItemSpacing and VerticalItemSpacing): Maccatalyst:

Expected Behavior: Updating the vertical & horizontal spacing values. The spacing is changed, but the layout remains unchanged.

Link to public reproduction project repository

https://devdiv.visualstudio.com/Pkgs/_git/VS.TestAssets.Xaml?path=/Assets/Projects/ManualMauiTests

Version with bug

Microsoft.Maui.Controls 8.0.70-ci.net8.24326.4

Is this a regression from previous behavior?

Not a regression, The issue also repro on 8.0.61& 8.0.3

Affected platforms

iOS, macOS

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