- Display the detected xstate-ninja inspector version and add incompatibility warning

Fix a problem preventing correct initialization of the state machine in the devtools panel.

New Features

- sort items in the Context panel alphabetically
- display additional information about send events if there is enough room
- the top level actor is pre-selected by default in all swimlanes
- display timestamps for events

A Diff mode has been added to the context panel to better visualize context changes.

- actor history depth can be now configured (default to 1 dead actor per actor ID)
- improve positioning of the hide parallel states button to prevent unintended clicks
- make hidden parallel states persistent per actor session ID
- add button to clear hidden parallel states
- make swim lanes resizable
- fix layout issues with resizing sidebar panels

- add the settings dialog
- display emitted value for non-machine actors
- display event frame for non-machine actors
- add extra links to the main header