Rusty way and no spaces

Just a heads up that TrackAttributeKey::VuMode was added here: helgoboss/reaper-rs#55

Author: AlbertoV5

main/src/domain/targets/track_peak_target.rs

@@ -60,17 +60,16 @@ impl<'a> Target<'a> for TrackPeakTarget {
 impl TrackPeakTarget {
     fn peak(&self) -> Option<Volume> {
         let reaper = Reaper::get().medium_reaper();
-        
         let vu_mode = unsafe {
             reaper.get_media_track_info_value(self.track.raw(), TrackAttributeKey::VuMode) as i32
         };
-        let mut channel_count = 2;
-        if vu_mode == 2 || vu_mode == 8 {
-            channel_count = unsafe {
+        let channel_count = if matches!(vu_mode, 2 | 8) {
+            unsafe {
                 reaper.get_media_track_info_value(self.track.raw(), TrackAttributeKey::Nchan) as i32
-            };
-        }
-
+            }
+        } else {
+            2
+        };
         if channel_count <= 0 {
             return None;
         }