Fixing the Y Panning error

Very stupid error...

src/Cameras/babylon.arcRotateCamera.ts

@@ -440,9 +440,9 @@
                     this.inertialPanningY = 0;
 
                 this._localDirection.copyFromFloats(this.inertialPanningX, this.inertialPanningY, this.inertialPanningY);
+                this._localDirection.multiplyInPlace(this.panningAxis);
                 this._viewMatrix.invertToRef(this._cameraTransformMatrix);
                 Vector3.TransformNormalToRef(this._localDirection, this._cameraTransformMatrix, this._transformedDirection);
-                this._transformedDirection.multiplyInPlace(this.panningAxis);
                 this.target.addInPlace(this._transformedDirection);
             }