[BUG] Some weapons have null `WeaponTypeId`

[DevJonny]

Describe the bug
Some weapons, for example Arco-Flails have a null WeaponTypeId when it's been imported into KTM.

To Reproduce
Steps to reproduce the behavior:

1. Create an Adeptus Soroitas Kill Team
2. Add a Arco-Flaggellant to the team
3. Generate a PDF
4. See error

Expected behavior
PDF is generates with correct information

Screenshots

Smartphone (please complete the following information):

• Device: iPhone SE (2nd Gen) Simulator
• OS: iOS 13.4.1