Fix attachToBone issue

dist/preview release/babylon.max.js

@@ -73287,6 +73287,7 @@ var BABYLON;
         };
         Bone.prototype.markAsDirty = function () {
             this._currentRenderId++;
+            this._childRenderId++;
             this._skeleton._markAsDirty();
         };
         Bone.prototype.copyAnimationRange = function (source, rangeName, frameOffset, rescaleAsRequired, skelDimensionsRatio) {

dist/preview release/es6.js

@@ -73259,6 +73259,7 @@ var BABYLON;
         };
         Bone.prototype.markAsDirty = function () {
             this._currentRenderId++;
+            this._childRenderId++;
             this._skeleton._markAsDirty();
         };
         Bone.prototype.copyAnimationRange = function (source, rangeName, frameOffset, rescaleAsRequired, skelDimensionsRatio) {

dist/preview release/viewer/babylon.viewer.max.js

@@ -73375,6 +73375,7 @@ var BABYLON;
         };
         Bone.prototype.markAsDirty = function () {
             this._currentRenderId++;
+            this._childRenderId++;
             this._skeleton._markAsDirty();
         };
         Bone.prototype.copyAnimationRange = function (source, rangeName, frameOffset, rescaleAsRequired, skelDimensionsRatio) {

src/Bones/babylon.bone.ts

@@ -189,6 +189,7 @@
 
         public markAsDirty(): void {
             this._currentRenderId++;
+            this._childRenderId++;
             this._skeleton._markAsDirty();
         }