Pure proxy. Can't remove access - bad signatory.

[stepanLav]

Description

User can't remove pure proxy - Transaction has a bad signatory.

1010: Invalid Transaction: Transaction has a bad signature

Example

https://github.com/novasamatech/nova-spektr/assets/40560660/5324f237-8a04-459e-9cc2-30179ab2ea13

Steps to Reproduce

1. Create pure proxy
2. Try to remove pure proxy

Expected Behavior

Successfull submit operation

Actual Behavior

Bad signature

Environment

https://github.com/novasamatech/nova-spektr/commit/75a1431ec9627320e64eb9b6f1851acccf26f87e

log: nova-spektr.log