BS-8022 : [6.2.4] - cannot access execution context data on the output connector initializing transient data

- Add a new field in ExpressionContext : ContainerState, to know where search the engine context (archive or not)
- Add unit tests
- Add integration tests
- Create new method on process instance & flownode instance service to get last archive process instance & flownode instance
- Add context engine when execute connector on forms