Fixed Shadow Issues

Shadows were being cutoff by the snapshots, and then were applied again to the snapshot. This fix first removes the shadows, takes the snapshot, and then adds the shadows to the snapshot much like the cornerRadius.

Sources/HeroContext.swift

@@ -138,11 +138,17 @@ extension HeroContext {
 
     unhide(view: view)
 
-    // capture a snapshot without alpha & cornerRadius
+    // capture a snapshot without alpha, cornerRadius, or shadows
     let oldCornerRadius = view.layer.cornerRadius
     let oldAlpha = view.alpha
+		let oldShadowRadius = view.layer.shadowRadius
+		let oldShadowOffset = view.layer.shadowOffset
+		let oldShadowPath = view.layer.shadowPath
     view.layer.cornerRadius = 0
     view.alpha = 1
+		view.layer.shadowRadius = 0.0
+		view.layer.shadowOffset = .zero
+		view.layer.shadowPath = nil
 
     let snapshot: UIView
     let snapshotType: HeroSnapshotType = self[view]?.snapshotType ?? .optimized
@@ -210,6 +216,9 @@ extension HeroContext {
 
     view.layer.cornerRadius = oldCornerRadius
     view.alpha = oldAlpha
+		view.layer.shadowRadius = oldShadowRadius
+		view.layer.shadowOffset = oldShadowOffset
+		view.layer.shadowPath = oldShadowPath
 
     snapshot.layer.anchorPoint = view.layer.anchorPoint
     snapshot.layer.position = containerView.convert(view.layer.position, from: view.superview!)