[Task]: Fix error `the mnemonic was already stored` during migration

[begonaalvarezd]

Task description

During migration, after the protect view (before migrating), when we call await asyncStoreMnemonic(m) the get the error:

message: "`the mnemonic was already stored`"
time: 1660140282221
type: "StrongholdError"

Requirements

Error doesnt appear anymore

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