[2.3.2] The TREZOR account can not sign "Multisignature aggregate modification transaction"★

[mizunashi]

Expected Behavior

You can add a signer to an existing multi-sig account.

Current Behavior

There is a TREZOR account for the signer of the already existing multi-sig account.
In this case, this TREZOR account can not sign "Multisignature aggregate modification transaction".

You can sign the remittance without problems.

Possible Solution

Bugfix

Steps to Reproduce

1. Prepare a multi-sig account with TREZOR as the signer.
2. Add one person to the signer newly.
3. A signature request arrives for an existing signer, but you can not sign from the TREZOR account and you get an error.

Details

Error message is here.

[cryptoBeliever]

Same as #612