Governance token staking from general account and locked rewards counting towards staking balance

[davidsiska-vega]

Governance token staking from general account

A new account to be created locked_for_staking. It should be possible to transfer the governance token in and out of this account. Balance in this account should count towards tokens "associated" to the vega key for staking purposes and can be staked to a specific validators, thus earning staking rewards for the key.

Locked rewards counting towards staking balance

Any rewards paid in the governance token that are "locked" should count towards the staking balance as "associated" to the vega key for staking purposes and can be staked to a specific validators, thus earning staking rewards for the key.

[davidsiska-vega]

Closed by #2350