[bisq-network/bisq] chop down long chained calls and force brackets on if (#3296)

[chimp1984]

NACK

Actually it does not behave as i would like:

If its not a long line it makes it a one-liner. I prefer linebreaks at all non-trivial stream expressions for better redibility.
```
 public Optional<TxOutput> getLockupTxOutput(String txId) {
        return getTx(txId).flatMap(tx -> tx.getTxOutputs().stream().filter(this::isLockupOutput).findFirst());
    }
```

```
   public Optional<TxOutput> getLockupTxOutput(String txId) {
        return getTx(txId).flatMap(tx -> tx.getTxOutputs().stream()
                .filter(this::isLockupOutput)
                .findFirst());
    }
```

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