Changes according to CR

Author: Filip-L

fplus-lib/src/external_services/similarity_detection.rs

@@ -126,7 +126,6 @@ fn get_similar_texts_tfidf(documents: &[Document]) -> Result<Vec<String>, LDNErr
 }
 
 fn get_similar_texts_levenshtein(documents: &[Document]) -> Result<Vec<String>, LDNError> {
-    let mut similar_texts = Vec::new();
     let levenshtein_threshold = get_env_var_or_default("LEVENSHTEIN_THRESHOLD")
         .parse::<usize>()
         .map_err(|e| {
@@ -135,13 +134,13 @@ fn get_similar_texts_levenshtein(documents: &[Document]) -> Result<Vec<String>,
                 e
             ))
         })?;
-    similar_texts.extend(
-        documents
-            .iter()
-            .skip(1)
-            .filter(|doc| levenshtein(&documents[0].text, &doc.text) < levenshtein_threshold)
-            .map(|doc| doc.client_address.clone()),
-    );
+        
+    let similar_texts: Vec<String> = documents
+        .iter()
+        .skip(1)
+        .filter(|doc| levenshtein(&documents[0].text, &doc.text) < levenshtein_threshold)
+        .map(|doc| doc.client_address.clone())
+        .collect();
 
     Ok(similar_texts)
 }