Fix #16411, added ORM SessionCache AKA FirstLevelCache

[rudiservo]

Hello!

• Type: bug fix | new feature | code quality
• Link to issue: #16411

In raising this pull request, I confirm the following:

• [X] I have read and understood the Contributing Guidelines
• [X] I have checked that another pull request for this purpose does not exist
• [X] I wrote some tests for this PR
• [ ] I have updated the relevant CHANGELOG
• [ ] I have created a PR for the documentation about this change

Small description of change:

Thanks

[rudiservo]

SqLite tests fail, the tests are fixed in one of the PR I previously made, I will rebase this once they are approved. feel free to check and comment.