[BUG] Decimal constructor requires an array or span of four valid decimal bytes

[sgf]

Version LiteDB 5.0.11ver .net 6.0 Win10 X64

Describe the bug A clear and concise description of what the bug is.

Code to Reproduce

//Exception Point
  try {
                   sw.Restart();
                   var rlt = sets.FindById(key);
               } catch (Exception ex) {
                   Console.WriteLine(ex.Message);
               }

//Full Code
class Program {
        static void Main(string[] args) {
            try {
                LiteDBTest.TestFileNameLengthEffects0();
            } catch (Exception ex) {
                Console.WriteLine(ex.Message);
            }
            Console.ReadLine();
        }
}

    public class LiteDBTest {
        static LiteDBTest() {
            try {
                db = new LiteDatabase("Filename=TestDB.ldb;");//初始化数据库connection=shared
                BsonMapper.Global.IncludeFields = true;
            } catch (Exception ex) {
                Console.WriteLine(ex.Message);
            }
        }

        public static LiteDatabase db;


        public static List<CTS1> DataGen(ref int current, int count) {
            List<CTS1> list = new(count);
            for (int i = 0; i < count; i++) {
                var val = (current + i);
                var key = $"0d3deed1234567890abcd{(100000000 - (current + i)):D12}";
                list.Add(new(key, val));
            }
            current = current + count;
            return list;
        }

        static Random r = new Random();

        public static async void SelectTest() {
            while (!IsExit()) {
                await Task.Delay(r.Next(1, 10));//随机触发查询时间
                var sw = Stopwatch.StartNew();
                var sets = db.GetCollection<CTS1>();
                var rs = r.Next(0, 10000000);
                var key = $"0d3deed1234567890abcd{(100000000 - rs):D12}";
                var rlt = sets.FindById(key);
                if (sw.Elapsed.Seconds > 1)
                    Console.WriteLine($"查询时间大于1秒-{sw.ElapsedMilliseconds}ms");
                Interlocked.Increment(ref QueryCount);
            }
        }


        public static bool IsExit() {
            return Interlocked.Read(ref exit) == 1;
        }

        static long exit = 0;

        public static long QueryCount;

        public static void TestFileNameLengthEffects0() {
            //using var db1 = new LiteDatabase("Filename=TestDB0.ldb;");
            var sw = Stopwatch.StartNew();
            var swOutput = Stopwatch.StartNew();
            for (int t = 0; t < 50; t++)
                Task.Factory.StartNew(SelectTest);

            var set = db.GetCollection<CTS1>();
            int totalIdx = 26860000;
            for (int i = 0;i < 10000; i++) {
                var list = DataGen(ref totalIdx, 20000); //每2w一个批次
                try {
                    var rlt = set.InsertBulk(list);
                } catch (Exception ex) {
                    Console.WriteLine(ex.Message);
                }
                if (swOutput.Elapsed.TotalSeconds > 8) {
                    Console.WriteLine($" 当前数量:{totalIdx} 平均插入速度:{(totalIdx / sw.Elapsed.TotalSeconds)}op/s , 查询次数{(QueryCount / sw.Elapsed.TotalSeconds)}/s");
                    swOutput.Restart();
                }
            }
            exit = 1;
        }

    /// <summary>
    /// CodeTaskSmall
    /// </summary>
    public class CTS1 {
        public CTS1(string code, int taskId) {
            Code = code;
            TaskId = taskId;
        }
        [LiteDB.BsonId]
        public string Code;
        [LiteDB.BsonField("t")]
        public int TaskId;
    }

Expected behavior A clear and concise description of what you expected to happen.

Screenshots/Stacktrace "Decimal constructor requires an array or span of four valid decimal bytes." " 在 System.Decimal..ctor(ReadOnlySpan1 bits) 在 System.Decimal..ctor(Int32[] bits) 在 LiteDB.BufferSliceExtensions.ReadDecimal(BufferSlice buffer, Int32 offset) 在 LiteDB.BufferSliceExtensions.ReadIndexKey(BufferSlice buffer, Int32 offset) 在 LiteDB.Engine.IndexNode..ctor(IndexPage page, Byte index, BufferSlice segment) 在 LiteDB.Engine.IndexService.Find(CollectionIndex index, BsonValue value, Boolean sibling, Int32 order) 在 LiteDB.Engine.IndexEquals.<Execute>d__3.MoveNext() 在 LiteDB.LinqExtensions.<>c__DisplayClass2_02.<<DistinctBy>g___|0>d.MoveNext() 在 LiteDB.Engine.BasePipe.<LoadDocument>d__6.MoveNext() 在 LiteDB.Engine.QueryPipe.<Select>d__2.MoveNext() 在 LiteDB.Engine.QueryExecutor.<>c__DisplayClass10_0.<<ExecuteQuery>g__RunQuery|0>d.MoveNext() 在 LiteDB.Engine.QueryExecutor.ExecuteQuery(Boolean executionPlan) 在 LiteDB.Engine.LiteEngine.Query(String collection, Query query) 在 LiteDB.LiteQueryable1.<ToDocuments>d__26.MoveNext() 在 System.Linq.Enumerable.SelectEnumerableIterator2.MoveNext() 在 System.Linq.Enumerable.TryGetFirst[TSource](IEnumerable1 source, Boolean& found) 在 System.Linq.Enumerable.FirstOrDefault[TSource](IEnumerable1 source) 在 ConsoleAppTest.LiteDBTest.<SelectTest>d__6.MoveNext() 在 D:\MySrc\DLBSvr\ConsoleAppTest\LiteDBTest.cs 中: 第 113 行"

Additional context Add any other context about the problem here.