[style] comply to fmt & clippy 1.38

lib/dubp/common-doc/src/blockstamp.rs

lib/dubp/user-docs/src/parsers/transactions.rs

lib/dunp/network-documents/src/network_endpoint.rs

lib/dunp/network-documents/src/network_head_v2.rs

lib/dunp/network-documents/src/network_peer.rs

lib/modules-lib/bc-db-reader/src/blocks/fork_tree.rs

lib/tools/json-pest-parser/src/lib.rs

lib/tools/pkstl/src/minimal.rs