fix more clippy lints (part 1)

Cargo.toml

src/api/client_server/media.rs

src/api/client_server/membership.rs

src/api/client_server/report.rs

src/api/server_server.rs

src/config/mod.rs

src/config/proxy.rs

src/database/abstraction.rs

src/database/abstraction/rocksdb.rs

src/database/key_value/globals.rs

src/database/mod.rs

src/main.rs

src/service/account_data/mod.rs

src/service/appservice/mod.rs

src/service/globals/mod.rs

src/service/key_backups/mod.rs

src/service/media/mod.rs

src/service/mod.rs

src/utils/mod.rs