Correctly map declaration owner in JVM codegen

"context.contextKind()" was incorrect in
ExpressionCodegen.intermediateValueForProperty(), because it represents the
context of the call site, not the context of the property declaration

 #KT-4878 Fixed

compiler/testData/codegen/boxWithJava/property/fieldAccessFromExtensionInTraitImpl.kt

@@ -0,0 +1,13 @@
+// KT-4878
+
+import fieldAccessFromExtensionInTraitImpl as D
+
+trait T {
+    fun Int.foo(d: D) = d.result!!
+}
+
+class A : T {
+    fun bar() = 42.foo(D())
+}
+
+fun box() = A().bar()