[feature]: Proxy an FEVM 0x (Eth-style) address with a native Filecoin address thru the snap

[eshon]

Summary

Suggestion from @Schwartz10:

Have the Filsnap proxy an FEVM eth addr w a filecoin addr through the snap

Expected behavior / User Story

Adding this to the backlog for now, will fill this in later

Completion

Adding this to the backlog for now, will fill this in later