Fix lineWidth typo and adjust ctx.restore() placement

Corrected canvas context property from linewidth to lineWidth for proper line rendering. Moved ctx.restore() to after both drawing operations to ensure canvas state is restored correctly.

Author: gvreddy04

blazorbootstrap/wwwroot/blazor.bootstrap.js

@@ -1423,18 +1423,17 @@ window.blazorChart.line = {
                         ctx.setLineDash([5, 5]);
                         ctx.moveTo(activePoint.element.x, chart.chartArea.top);
                         ctx.lineTo(activePoint.element.x, activePoint.element.y);
-                        ctx.linewidth = 2;
+                        ctx.lineWidth = 2;
                         ctx.strokeStyle = 'grey';
                         ctx.stroke();
-                        ctx.restore();
 
                         ctx.beginPath();
-                        ctx.setLineDash([5, 5]);
                         ctx.moveTo(activePoint.element.x, activePoint.element.y);
                         ctx.lineTo(activePoint.element.x, chart.chartArea.bottom);
-                        ctx.linewidth = 2;
+                        ctx.lineWidth = 2;
                         ctx.strokeStyle = 'grey';
                         ctx.stroke();
+
                         ctx.restore();
                     }
                 },