Add a warning for a user-defined entries property call

^KT-53153

compiler/testData/diagnostics/tests/enum/entries/genericEntriesPropertyClash.fir.kt

@@ -0,0 +1,16 @@
+// !LANGUAGE: -EnumEntries
+
+package pckg
+
+enum class A {
+    ;
+
+    companion object
+}
+
+val <T> T.entries: Int get() = 0
+
+fun test() {
+    A.entries
+    A.Companion.entries
+}