Entity Equality: ArrayLength is not an entity reference

[smitpatel]

        [ConditionalTheory]
        [MemberData(nameof(IsAsyncData))]
        public virtual Task Where_ToArray_Length_member(bool async)
        {
            return AssertQuery(
                async,
                ss => ss.Set<Customer>().Select(c => ss.Set<Order>().Where(o => o.CustomerID == c.CustomerID).ToArray())
                    .Where(e => e.Length == 0));
        }

It incorrectly identifies e.Length as entity reference and tries to rewrite it to entity equality which fails.

 Message: 
    System.ArgumentException : Expression of type 'System.Int32' cannot be used for parameter of type 'System.Object' of method 'System.Nullable`1[System.Int32] Property[Nullable`1](System.Object, System.String)' (Parameter 'arg0')
  Stack Trace: 
    ExpressionUtils.ValidateOneArgument(MethodBase method, ExpressionType nodeKind, Expression arguments, ParameterInfo pi, String methodParamName, String argumentParamName, Int32 index)
    Expression.Call(MethodInfo method, Expression arg0, Expression arg1)
    EFPropertyExtensions.CreateEFPropertyExpression(Expression target, Type propertyDeclaringType, Type propertyType, String propertyName, Boolean makeNullable) line 135
    EFPropertyExtensions.CreateEFPropertyExpression(Expression target, IPropertyBase property, Boolean makeNullable) line 103
    EntityEqualityRewritingExpressionVisitor.CreatePropertyAccessExpression(Expression target, IProperty property) line 989
    EntityEqualityRewritingExpressionVisitor.CreateKeyAccessExpression(Expression target, IReadOnlyList`1 properties) line 943
    EntityEqualityRewritingExpressionVisitor.RewriteEntityEquality(Boolean equality, IEntityType entityType, Expression left, INavigation leftNavigation, Expression right, INavigation rightNavigation, Boolean subqueryTraversed) line 923
    EntityEqualityRewritingExpressionVisitor.RewriteEquality(Boolean equality, Expression left, Expression right) line 847
    EntityEqualityRewritingExpressionVisitor.VisitBinary(BinaryExpression binaryExpression) line 186
    BinaryExpression.Accept(ExpressionVisitor visitor)
    ExpressionVisitor.Visit(Expression node)
    EntityEqualityRewritingExpressionVisitor.RewriteAndVisitLambda(LambdaExpression lambda, EntityReferenceExpression source) line 762
    EntityEqualityRewritingExpressionVisitor.VisitMethodCall(MethodCallExpression methodCallExpression) line 366
    MethodCallExpression.Accept(ExpressionVisitor visitor)
    ExpressionVisitor.Visit(Expression node)
    EntityEqualityRewritingExpressionVisitor.Rewrite(Expression expression) line 52
    QueryTranslationPreprocessor.Process(Expression query) line 38
    QueryCompilationContext.CreateQueryExecutor[TResult](Expression query) line 74
    Database.CompileQuery[TResult](Expression query, Boolean async) line 71
    QueryCompiler.CompileQueryCore[TResult](IDatabase database, Expression query, IModel model, Boolean async) line 112
    <>c__DisplayClass9_0`1.<Execute>b__0() line 96
    CompiledQueryCache.GetOrAddQueryCore[TFunc](Object cacheKey, Func`1 compiler) line 84
    CompiledQueryCache.GetOrAddQuery[TResult](Object cacheKey, Func`1 compiler) line 59
    QueryCompiler.Execute[TResult](Expression query) line 92
    EntityQueryProvider.Execute[TResult](Expression expression) line 79
    EntityQueryable`1.GetEnumerator() line 95
    LargeArrayBuilder`1.AddRange(IEnumerable`1 items)
    EnumerableHelpers.ToArray[T](IEnumerable`1 source)
    Enumerable.ToArray[TSource](IEnumerable`1 source)
    QueryAsserter`1.AssertQuery[TResult](Func`2 actualQuery, Func`2 expectedQuery, Func`2 elementSorter, Action`2 elementAsserter, Boolean assertOrder, Int32 entryCount, Boolean async, String testMethodName) line 91
    --- End of stack trace from previous location where exception was thrown ---

[smitpatel]

Related #20164