Don't propose to make objects abstract (KT-9795)

#KT-9795 Fixed

idea/testData/quickfix/modifiers/noAbstractForAnonymousObject.kt

@@ -0,0 +1,11 @@
+// "Make 'object : T {}' abstract" "false"
+// ACTION: Implement members
+// ACTION: Split property declaration
+// ERROR: Object must be declared abstract or implement abstract member public abstract fun foo(): kotlin.Unit defined in T
+interface T {
+    fun foo()
+}
+
+fun test() {
+    val o = <caret>object : T {}
+}