[BUG] Multiple call of GetPlan method throw exeption

[mikhail-khalizev]

Version
5.0.7

Describe the bug
Multiple call of GetPlan method throw LiteDB.LiteException : Maximum number of transactions reached

Code to Reproduce

public class Customer
{
    public string Login { get; set; }
    public string Name { get; set; }
}

[Fact]
public void CallGetPlanManyTimes()
{
    using (var db = new LiteDatabase(":memory:"))
    {
        var col = db.GetCollection<Customer>("col");
        col.Insert(new Customer { Name = "name1" });
        col.Insert(new Customer { Name = "name2" });
        
        for (var i = 0; i < 200; i++)
        {
            var query = col.Query().Where(x => x.Name == "name1");
            var plan = query.GetPlan();
        }
    }
}

Expected behavior
No exception thrown.

[lbnascimento]

@mikhail-khalizev This issue has been fixed in master and its fix will be present in the next incremental release.