对于选中状态中 不进行夹点捕捉.

src/Editor/SnapDragServices.ts

@@ -27,6 +27,8 @@ export class SnapDragServices
     {
         if (app.m_Editor.m_InputState > InputState.None)
             return;
+        if (app.m_Editor.m_SelectCtrl.m_SelectIng)
+            return;
         if (this.lastSnapPoint)
         {
             let lastVcs = this.lastSnapPoint.clone();