[FIR2IR] Fix SAM conversion of adapted callable reference

#KT-63329 Fixed

compiler/testData/codegen/box/sam/kt49226.kt

@@ -1,4 +1,6 @@
-// TARGET_BACKEND: JVM
+// TARGET_BACKEND: JVM_IR
+// CHECK_BYTECODE_LISTING
+// ^Verify that no anonymous class is generated KT-63329 KT-62858, old backend gets this wrong.
 
 // FILE: kt49226.kt
 fun box(): String {

compiler/testData/codegen/box/sam/kt49226.txt

@@ -0,0 +1,7 @@
+@kotlin.Metadata
+public final class Kt49226Kt {
+    // source: 'kt49226.kt'
+    private synthetic final static method box$arrayOf(p0: java.lang.String): java.lang.String[]
+    private final static method box$arrayOf__proxy(p0: java.lang.String): java.lang.String[]
+    public final static @org.jetbrains.annotations.NotNull method box(): java.lang.String
+}