Supported inlining constant properties.

idea/testData/refactoring/inline/property/InstanceProperty.kt

@@ -0,0 +1,11 @@
+class Class {
+    val p = 239
+
+    fun f() {
+        println(p)
+    }
+}
+
+fun f() {
+    println(Class().<caret>p)
+}