Exception with canvas.SaveState() and canvas.RestoreState() on iOS Devices < iOS 13

[Saravanan-Madhesh]

Encountering an issue in .NET MAUI when using canvas.SaveState() and canvas.RestoreState() methods during custom drawing operations. The exception is thrown only on iOS devices running versions below iOS 13. The code works fine on iOS 13+ and Android.

public void Draw(ICanvas canvas, RectF dirtyRect)
{
    // Set stroke color to red
    canvas.StrokeColor = Colors.Red;

    // Save the current state of the canvas
    canvas.SaveState();

    // Modify stroke settings
    canvas.StrokeColor = Colors.Blue;
    canvas.StrokeSize = 5;
    canvas.StrokeDashPattern = new float[] { 10, 5 };

    // Draw a dashed line
    canvas.DrawLine(dirtyRect.Left, dirtyRect.Top + 20, dirtyRect.Right, dirtyRect.Bottom - 50);

    // Restore the canvas state
    canvas.RestoreState();

    // Draw a line with the restored state
    canvas.DrawLine(dirtyRect.Left, dirtyRect.Top + 50, dirtyRect.Right, dirtyRect.Bottom - 20);
}

Trace:

INFO: Assertion failed: (s->stack->next != NULL), function CGGStackRes
INFO: 	  at UIKit.UIApplication:UIApplicationMain <0x0006e>
	  at UIKit.UIApplication:Main <0x0015a>
	  at LWDMobile.iOS.Program:Main <0x0002c>
	  at <Module>:runtime_invoke_direct_void_string[] <0x0007e>
	  at <unknown> <0x00000>
=================================================================
INFO: =================================================================
	  at <unknown> <0xffffffff>
	  at CoreGraphics.CGContext:CGContextRestoreGState <0x0003c>
	  at CoreGraphics.CGContext:RestoreState <0x0003a>
	  at Microsoft.Maui.Graphics.Platform.PlatformCanvas:RestoreState <0x000e6>

An assertion failure occurs when calling RestoreState() on iOS devices with versions less than iOS 13. It works fine on iOS 13+ and Android devices.

Additional Information
Is there a known workaround or fix for this issue on older iOS versions?