fix(studio): 修复了晶格 scaling_ratio 字段取不到值的问题

Signed-off-by: 李东云 <dongyun.li@luxcreo.ai>

src/Studio/Resource/Lattice.php

@@ -72,7 +72,7 @@ class Lattice extends JsonResource
             'a' => (float)$this->a,
             'b' => (float)$this->b,
             'c0' => (float)$this->c0,
-            'scalingRatio' => (float)$this->scalingRatio,
+            'scalingRatio' => (float)$this->pivot->scaling_ratio,
             'evaluation' => LatticeEvaluation::make($this->evaluation),
         ];
     }