Implant cases

- Adds freedom implant in glass case variant
- Changes implants created from protolathe to variants in glass cases
Research object update

- Updates research testing object to include phoron and engineering tech
Update implantcase.dm to absolute paths
Implantcase cleanup

- Removed unnecessary icon definitions
- Cleaned up name formatting
- Removed colons
- Added variants for existing implants
Merge pull request #7251 from Loganbacca/implantfix

Implant fixes/cleanup