Merge pull request #1790 from BabylonJS/constantlyUpdateMeshUnderPointer-fix

constantlyUpdateMeshUnderPointer fix

src/babylon.scene.ts

@@ -816,7 +816,7 @@
                 var canvas = this._engine.getRenderingCanvas();
 
                 if (!this.pointerMovePredicate) {
-                    this.pointerMovePredicate = (mesh: AbstractMesh): boolean => mesh.isPickable && mesh.isVisible && mesh.isReady() && (this.constantlyUpdateMeshUnderPointer || mesh.actionManager !== null && mesh.actionManager !== undefined);
+                    this.pointerMovePredicate = (mesh: AbstractMesh): boolean => mesh.isPickable && mesh.isVisible && mesh.isReady() && (this.constantlyUpdateMeshUnderPointer || (mesh.actionManager !== null && mesh.actionManager !== undefined));
                 }
 
                 // Meshes