message: Fix stack exhaustion from deep watch
  Fixes DIM-B0
diff: @@ -215,7 +215,7 @@ function CompareCtrl($scope, toaster, dimCompareService, dimStoreService, D2Stor
  });
  };
  - $scope.$watch('vm.comparisons', () => {
  + $scope.$watchCollection('vm.comparisons', () => {
  const statBuckets = {};
  function bucketStat(stat) {
  @@ -241,5 +241,5 @@ function CompareCtrl($scope, toaster, dimCompareService, dimStoreService, D2Stor
  statRange.enabled = statRange.min !== statRange.max;
  vm.statRanges[hash] = statRange;
  });
  - }, true);
  + });
  }
  