Resize only leg and arm dragpoints for bone mode

This fixes a bug where the head and finger drag points get resized as
well.

Initial implementation was garbage and shouldn't have been pushed lol.

COM3D2.MeidoPhotoStudio.Plugin/MeidoPhotoStudio/DragPoint/DragPointMeido.cs

@@ -14,8 +14,8 @@ namespace COM3D2.MeidoPhotoStudio.Plugin
         protected Maid maid;
         protected IKCtrlData IkCtrlData => meido.Body.IKCtrl.GetIKData("左手");
         protected bool isPlaying;
-        private bool isBone;
-        public bool IsBone
+        protected bool isBone;
+        public virtual bool IsBone
         {
             get => isBone;
             set
@@ -23,7 +23,6 @@ namespace COM3D2.MeidoPhotoStudio.Plugin
                 if (value != isBone)
                 {
                     isBone = value;
-                    BaseScale = isBone ? boneScale : OriginalScale;
                     ApplyDragType();
                 }
             }

COM3D2.MeidoPhotoStudio.Plugin/MeidoPhotoStudio/Meido/IK/DragPointChain.cs

@@ -15,6 +15,14 @@ namespace COM3D2.MeidoPhotoStudio.Plugin
         private bool isUpper;
         private bool isMune;
         private bool isMuneL;
+        public override bool IsBone
+        {
+            set
+            {
+                base.IsBone = value;
+                if (!isMune) BaseScale = isBone ? boneScale : OriginalScale;
+            }
+        }
 
         public override void Set(Transform myObject)
         {