Revert "编辑器模式下物体缩放轴的vertex_data_size计算中多加了8，有一个多余的白色方块"

This reverts commit 89f1ddd.

Author: kwbm

engine/source/editor/source/axis.cpp

@@ -307,7 +307,7 @@ namespace Piccolo
         uint32_t stride = sizeof(MeshVertexDataDefinition);
 
         // vertex
-        size_t vertex_data_size = ((2 * segments + 8) * 3) * stride;
+        size_t vertex_data_size = ((2 * segments + 8) * 3 + 8) * stride;
         m_mesh_data.m_static_mesh_data.m_vertex_buffer = std::make_shared<BufferData>(vertex_data_size);
         uint8_t* vertex_data = static_cast<uint8_t*>(m_mesh_data.m_static_mesh_data.m_vertex_buffer->m_data);