Updated [Swing interoperability] tutorial accordingly to build149.

tutorials/Swing_Integration/README.md

@@ -202,14 +202,11 @@ fun main() {
                 Button("1. Compose Button: increment", inc)
                 Spacer(modifier = Modifier.height(20.dp))
 
-                Box(
+                SwingPanel(
-                    modifier = Modifier.size(270.dp, 90.dp)
+                    background = Color.White,
-                ) {
+                    modifier = Modifier.size(270.dp, 90.dp),
-                    SwingPanel(
+                    componentBlock = { swingBox(dec) }
-                        component = swingBox(dec),
+                )
-                        background = Color.White
-                    )
-                }
 
                 Spacer(modifier = Modifier.height(20.dp))
                 Button("2. Compose Button: increment", inc)