hotfix: call mouseOver and mouseMove to render crosshair on init and zoomin

src/index.ts

@@ -321,6 +321,7 @@ export class LinePod extends ChartwerkPod<LineTimeSerie, LineOptions> {
   }
 
   onMouseOver(): void {
+    this.onMouseMove();
     this.crosshair.style('display', null);
     this.crosshair.selectAll('.crosshair-circle')
       .style('display', null);
@@ -335,6 +336,11 @@ export class LinePod extends ChartwerkPod<LineTimeSerie, LineOptions> {
     return this.options.doubleClickEvent.isActive;
   }
 
+  protected onBrushEnd(): void {
+    super.onBrushEnd();
+    this.onMouseOver();
+  }
+
   // methods below rewrite s, (move more methods here)
   protected zoomOut(): void {
     if(d3.event.type === 'dblclick' && !this.isDoubleClickActive()) {