KT-84055 verification (#5539)

test for KT-84055 added to compose compiler testsuite

## Testing
autotest added

## Release Notes
N/A

Author: shishkin-pavel

compose/integrations/composable-test-cases/testcases/lambdas/lib/src/commonMain/kotlin/Dependencies.kt

@@ -29,4 +29,18 @@ fun ComposableAlwaysReturnsNullUnit(): Unit? {
 @Composable
 fun ComposableAlwaysReturnsUnit(): Unit? {
     return Unit
+}
+
+fun interface Decorator {
+    @Composable
+    fun Decoration(innerElement: @Composable () -> Unit)
+}
+
+@Composable
+fun WithDecoration(content: @Composable () -> Unit, decorator: Decorator? = null) {
+    if (decorator != null) {
+        decorator.Decoration { content() }
+    } else {
+        content()
+    }
 }

compose/integrations/composable-test-cases/testcases/lambdas/main/src/commonTest/kotlin/Tests.kt

@@ -142,6 +142,25 @@ class Tests {
         }
         assertEquals("root:{Value = Unit}", root.dump())
     }
+
+    @Composable
+    private fun SimpleDecoration(inner: @Composable () -> Unit) {
+        TextLeafNode("inside decoration")
+        inner()
+    }
+
+    // KT-84055
+    @Test
+    fun testSamConversion() {
+        val root = composeText() {
+            WithDecoration(
+                content = { TextLeafNode("Content") },
+                decorator = { inner ->
+                    SimpleDecoration(inner)
+                })
+        }
+        assertEquals("root:{inside decoration, Content}", root.dump())
+    }
 }
 
 private fun someText(): String {