Fix unexpected assertion failure

Framework/Sources/FloatingPanelController.swift

@@ -219,6 +219,7 @@ public class FloatingPanelController: UIViewController, UIScrollViewDelegate, UI
 
     private func updateLayout(for traitCollection: UITraitCollection) {
         floatingPanel.layoutAdapter.layout = fetchLayout(for: traitCollection)
+        floatingPanel.layoutAdapter.checkLayoutConsistance()
 
         guard let parent = parent else { return }
 

Framework/Sources/FloatingPanelLayout.swift

@@ -110,11 +110,7 @@ class FloatingPanelLayoutAdapter {
     private weak var surfaceView: FloatingPanelSurfaceView!
     private weak var backdropView: FloatingPanelBackdropView!
 
-    var layout: FloatingPanelLayout {
-        didSet {
-            checkLayoutConsistance()
-        }
-    }
+    var layout: FloatingPanelLayout
 
     var safeAreaInsets: UIEdgeInsets = .zero {
         didSet {
@@ -304,7 +300,7 @@ class FloatingPanelLayoutAdapter {
             assert(layout.insetFor(position: pos) != nil,
                    "Undefined an inset for a pos(\(pos))")
         }
-        guard !(layout is FloatingPanelIntrinsicLayout) else { return }
+
         if halfInset > 0 {
             assert(halfInset > tipInset, "Invalid half and tip insets")
         }