[FIR] Check DELEGATE_USES_EXTENSION_PROPERTY_TYPE_PARAMETER for anonymous objects

^KT-64102 Fixed

compiler/testData/diagnostics/tests/delegatedProperty/useTypeParameterOfExtensionProperty3.kt

@@ -0,0 +1,23 @@
+// FIR_IDENTICAL
+// ISSUE: KT-64102
+// !DIAGNOSTICS: -DEBUG_INFO_SMARTCAST
+// !LANGUAGE: +ForbidUsingExtensionPropertyTypeParameterInDelegate
+// WITH_REFLECT
+
+import kotlin.reflect.KProperty
+
+class Inv<T>(var t: T)
+
+open class Delegate<X> {
+    var x: X? = null
+    operator fun getValue(thisRef: Inv<X>, property: KProperty<*>) {
+        val _x = x
+        if (_x != null) {
+            thisRef.t = _x
+        } else {
+            x = thisRef.t
+        }
+    }
+}
+
+val <T> Inv<T>.x: Unit <!DELEGATE_USES_EXTENSION_PROPERTY_TYPE_PARAMETER_ERROR!>by object : Delegate<T>() {}<!>