CRISP Server overrides round data on activate event

[ctrlc03]

Data is set inside the handler for the Requested event https://github.com/gnosisguild/enclave/blob/main/examples/CRISP/server/src/server/indexer.rs#L104 but then reset with initialze inside the Activate event handler https://github.com/gnosisguild/enclave/blob/main/examples/CRISP/server/src/server/indexer.rs#L137

[ctrlc03]

fixed by #804