* Node details fetching reports at proper timestamp.

* Corrected all the relevant timestamps in the UI.

* Renamed some state variables.

* Time travel works for topologies list.

* Added a whole screen overlay for time travel.

* Polished the backend.

* Make time travel work also with the Resource View.

* Fixed the jest tests.

* Fixed the empty view message for resource view.

* Some naming polishing.

* Addressed the comments.