Refactor relationship type retrieval in character workers: Simplify the extraction of relationship types in CharacterCreationWorker, EventsWorker, and UserCharacterWorker by streamlining the use of and_then for better readability and maintainability.

src/worker/character_creation.rs

@@ -3,7 +3,6 @@ use crate::message_broker::MessageBroker;
 use rand::distributions::{Distribution, Uniform};
 use rand::rngs::StdRng;
 use rand::{thread_rng, Rng, SeedableRng};
-use serde_json::json;
 use std::collections::{HashMap, HashSet};
 use std::sync::atomic::{AtomicBool, Ordering};
 use std::sync::Arc;
@@ -437,8 +436,7 @@ impl CharacterCreationWorker {
                 .and_then(|v| v.parse::<i32>().ok());
             let relationship_type_tr = row
                 .get("relationship_type_tr")
-                .and_then(|v| v.as_str())
-                .map(|s| s.to_string());
+                .and_then(|v| v.as_str().map(|s| s.to_string()));
 
             // Logging: Relationship wurde gelöscht
             eprintln!(