"Convert to anonymous object" quickfix: false negative when interface has concrete members

#KT-37908 Fixed

idea/testData/quickfix/convertToAnonymousObject/hasConcreateMember.kt

@@ -0,0 +1,11 @@
+// "Convert to anonymous object" "true"
+interface I {
+    fun a()
+    fun b() {}
+}
+
+fun foo(i: I) {}
+
+fun test() {
+    foo(<caret>I {})
+}