clippy fixes

src/api/xtream_api.rs

@@ -199,7 +199,7 @@ async fn xtream_player_api_stream(
     }
 
     let extension = stream_ext.unwrap_or_else(
-        || extract_extension_from_url(&pli.url).map_or_else(String::new, |ext| ext.to_string()));
+        || extract_extension_from_url(&pli.url).map_or_else(String::new, std::string::ToString::to_string));
 
     let query_path = if stream_req.action_path.is_empty() {
         format!("{}{extension}", pli.provider_id)

src/repository/kodi_repository.rs

@@ -400,7 +400,7 @@ fn get_strm_url(credentials_and_server_info: Option<&(ProxyUserCredentials, ApiP
                              _ => None,
                          } {
                              let url = str_item_info.url.as_str();
-                             let ext = extract_extension_from_url(url).map_or_else(String::new, |ext| ext.to_string());
+                             let ext = extract_extension_from_url(url).map_or_else(String::new, std::string::ToString::to_string);
                              format!("{}/{stream_type}/{}/{}/{}{ext}",
                                      server_info.get_base_url(),
                                      user.username,

src/utils/request_utils.rs

@@ -370,11 +370,9 @@ pub fn extract_extension_from_url(url: &str) -> Option<&str> {
                 return Some(&path[last_dot_pos..]);
             }
         }
-    } else {
-        if let Some(last_dot_pos) = url.rfind('.') {
-            if last_dot_pos > url.rfind('/').unwrap_or(0) {
-                return Some(&url[last_dot_pos..]);
-            }
+    } else if let Some(last_dot_pos) = url.rfind('.') {
+        if last_dot_pos > url.rfind('/').unwrap_or(0) {
+            return Some(&url[last_dot_pos..]);
         }
     }
     None