Debugger: fix evaluate expression for traits

idea/testData/debugger/tinyApp/outs/extractThisInTrait.out

@@ -0,0 +1,9 @@
+LineBreakpoint created at extractThisInTrait.kt:10
+!JDK_HOME!\bin\java -agentlib:jdwp=transport=dt_socket,address=!HOST_NAME!:!HOST_PORT!,suspend=y,server=n -Dfile.encoding=!FILE_ENCODING! -classpath !APP_PATH!\classes;!KOTLIN_RUNTIME!;!CUSTOM_LIBRARY!;!RT_JAR! extractThisInTrait.ExtractThisInTraitPackage
+Connected to the target VM, address: '!HOST_NAME!:PORT_NAME!', transport: 'socket'
+extractThisInTrait.kt:10
+Compile bytecode for prop
+Compile bytecode for this.prop
+Disconnected from the target VM, address: '!HOST_NAME!:PORT_NAME!', transport: 'socket'
+
+Process finished with exit code 0

idea/testData/debugger/tinyApp/src/evaluate/singleBreakpoint/extractThisInTrait.kt

@@ -0,0 +1,23 @@
+package extractThisInTrait
+
+fun main(args: Array<String>) {
+    TImpl().foo()
+}
+
+trait T {
+    fun foo() {
+        //Breakpoint!
+        val a = 1
+    }
+
+    val prop: Int
+        get() = 1
+}
+
+class TImpl(): T
+
+// EXPRESSION: prop
+// RESULT: 1: I
+
+// EXPRESSION: this.prop
+// RESULT: 1: I