Issue description: Unable to setup Matter Receiver in private mode. switching to public instantly works, but private mode does not authenticate correctly

Steps to reproduce:

1. place matter receiver
2. right-click and set to private
3. type in exact MC username and click add
4. look in a dialer or sneak-right click with a Charged porter
   The receiver does not show up in the dialer and the porter says "You have no access to target this receiver"
5. switch to public mode and it appears in the dialer and can be used by the porter

Versions:

• Minecraft: 1.14.4
• Forge: 28.1.107
• CompatLayer (only if on Minecraft 1.10 or 1.11):
• McJtyLib: 1.14-3.5.17-alpha
• RFTools:
  • Base: 1.14-0.0.12-alpha
  • Utility: 1.14-1.2.13-alpha

Possibly incompatible mods and versions:

Relevant logs, if any: