[FIR] Insert SAM conversion expressions during completion

#KT-62847 Fixed

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

@@ -0,0 +1,21 @@
+// TARGET_BACKEND: JVM
+// FILE: Sam.java
+public interface Sam<T> {
+    T foo();
+}
+
+// FILE: Connection.java
+public interface Connection {
+    <T> T accept(Sam<T> sam);
+}
+
+// FILE: box.kt
+fun test(sam: Sam<*>, c: Connection): Any {
+    return c.accept(sam)
+}
+
+fun box(): String {
+    return test({ "OK" }, object: Connection {
+        override fun <T> accept(sam: Sam<T>) = sam.foo()
+    }) as String
+}