UAST: Fix KotlinUMethod annotation handling, properly handle use site targets

#KT-16834 Fixed
 #KT-18893 Fixed

plugins/uast-kotlin/testData/PropertyWithAnnotation.kt

@@ -0,0 +1,13 @@
+annotation class TestAnnotation
+
+@TestAnnotation
+val prop1: Int = 0
+
+@get:TestAnnotation
+val prop2: Int
+    get() = 0
+
+@set:TestAnnotation
+var prop3: Int = 0
+    get() = 0
+    set(value) { field = value }