Fix generic signature for KFunctionN types on JVM

#KT-15473 Fixed

compiler/testData/compileJavaAgainstKotlin/callableReference/GenericSignature.java

@@ -0,0 +1,10 @@
+package test;
+
+import kotlin.reflect.KFunction;
+
+class Bar extends Foo {
+    @Override
+    public KFunction<Request> request() {
+        return null;
+    }
+}

compiler/testData/compileJavaAgainstKotlin/callableReference/GenericSignature.kt

@@ -0,0 +1,9 @@
+// KT-15473 Invalid KFunction byte code signature for callable references
+
+package test
+
+class Request(val id: Long)
+
+open class Foo {
+    open fun request() = ::Request
+}

compiler/testData/compileJavaAgainstKotlin/callableReference/GenericSignature.txt

@@ -0,0 +1,16 @@
+package test
+
+public/*package*/ open class Bar : test.Foo {
+    public/*package*/ constructor Bar()
+    public open fun request(): kotlin.reflect.KFunction<test.Request!>
+}
+
+public open class Foo {
+    public constructor Foo()
+    public open fun request(): kotlin.reflect.KFunction1<@kotlin.ParameterName(name = "id") kotlin.Long, test.Request>
+}
+
+public final class Request {
+    public constructor Request(/*0*/ kotlin.Long)
+    public final val id: kotlin.Long
+}