Fixed styling of machine view tokens. Added message when hardware details are unavailable.
Merge pull request #306 from huwshimi/token-styling-fixes

In this branch:
- Added a message when the machine's hardware info is not available.
- Cleaned up the appearance of the machine and container tokens.
- Wrapped the unit icons list if too many to display on one line.
- Added the collapsed and active states for the container tokens.