[feat] blockchain: replace panic! by fatal_error!

lib/modules/blockchain/blockchain/clippy.toml

lib/modules/blockchain/blockchain/src/dubp/apply/mod.rs

lib/modules/blockchain/blockchain/src/dunp/queries.rs

lib/modules/blockchain/blockchain/src/events/sent.rs

lib/modules/blockchain/blockchain/src/fork/revert_block.rs

lib/modules/blockchain/blockchain/src/lib.rs

lib/modules/blockchain/blockchain/src/responses/sent.rs

...kchain/blockchain/src/sync/download/json_reader_worker.rs

lib/modules/blockchain/blockchain/src/sync/mod.rs