Support unbound callable function references in inliner

compiler/testData/codegen/bytecodeText/callableReference/unboundFieldReferenceInInline.kt

@@ -0,0 +1,16 @@
+// FILE: JClass.java
+
+public class JClass {
+    public static int field;
+}
+
+// FILE: main.kt
+fun box(): String {
+    return if (call(10, JClass::field) == 5) "OK" else "fail"
+}
+
+inline fun call(p: Int, s: () -> Int): Int {
+    return s()
+}
+
+// 0 NEW