When create a package using create package API TM not included which is exists in project.

Below is Package Options

#region "ProjectPackageCreationOptions"
ProjectPackageCreationOptions options = new ProjectPackageCreationOptions();
#endregion

#region "IncludeRessources"
options.IncludeAutoSuggestDictionaries = true;
options.IncludeMainTranslationMemories = true;
options.RemoveServerBasedTranslationMemories = false;
options.IncludeTermbases = true;
#endregion

#region "RemoveAutomatedTranslationProviders"
options.RemoveAutomatedTranslationProviders = false;
#endregion

#region "RecomputeAnalysisStatistics"
options.RecomputeAnalysisStatistics = false;
options.ProjectTranslationMemoryOptions = ProjectTranslationMemoryPackageOptions.UseExisting;

#endregion
options.IncludeExistingReports = false;
#region "ReturnOptions"
return options;
#endregion

screen shot 

tm in project

Not in Package 

I am using Trados 2022