message: Clears hovered nodes layer in #clear
diff: @@ -1366,6 +1366,7 @@ export default class Sigma extends EventEmitter {
  clear(): this {
  this.webGLContexts.nodes.clear(this.webGLContexts.nodes.COLOR_BUFFER_BIT);
  this.webGLContexts.edges.clear(this.webGLContexts.edges.COLOR_BUFFER_BIT);
  + this.webGLContexts.hoverNodes.clear(this.webGLContexts.nodes.COLOR_BUFFER_BIT);
  this.canvasContexts.labels.clearRect(0, 0, this.width, this.height);
  this.canvasContexts.hovers.clearRect(0, 0, this.width, this.height);
  this.canvasContexts.edgeLabels.clearRect(0, 0, this.width, this.height);
  