message: Fix activity blocks crumpled layout
diff: @@ -88,6 +88,7 @@ namespace TogglDesktop.ViewModels
  }
  }
  + private const int MaxActivityBlockDurationInSec = 900;
  private void ConvertChunksToActivityBlocks(List<Toggl.TimelineChunkView> chunks)
  {
  var blocks = new List<ActivityBlock>();
  @@ -115,7 +116,7 @@ namespace TogglDesktop.ViewModels
  block.ActivityDescriptions.Add(activity);
  duration += eventDesc.Duration;
  }
  - block.Height = (1.0 * duration * ScaleModes[SelectedScaleMode]) / (60 * 60); ;
  + block.Height = (1.0 * Math.Min(duration, MaxActivityBlockDurationInSec) * ScaleModes[SelectedScaleMode]) / (60 * 60);
  if (block.ActivityDescriptions.Any())
  blocks.Add(block);
  }
  