Voting/delegation/withdrawal integration tests (#4476)

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- [x] Voting/revoting after delegation
- [x] Delegation/re-delegation after voting
- [x] Delegation/quitting after voting
- [x] Delegation together with voting
- [x] Quitting after voting
- [x] Withdrawals after voting
- [x] Withdrawals before voting

### Comments

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### Issue Number
adp-3261

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