Fix division erroneously rounding to integers

This fixes LoopOffset which is a non-integer factor or Beats.

MuzikaGromche/Plugin.cs

@@ -978,7 +978,7 @@ namespace MuzikaGromche
 
         // Number of beats between WindUpTimer and where looped segment starts (not the loop audio).
         public int LoopOffset { get; }
-        public float LoopOffsetInSeconds => LoopOffset / Beats * LoadedLoop.length;
+        public float LoopOffsetInSeconds => (float)LoopOffset / (float)Beats * LoadedLoop.length;
 
         // MPEG is basically mp3, and it can produce gaps at the start.
         // WAV is OK, but takes a lot of space. Try OGGVORBIS instead.