[FE] fix line width not matches initial choice

templates/index.html

@@ -920,7 +920,7 @@
                 var options = {
                     graphics: {
                         firstPointSize: 0,
-                        lineWidth: 10,
+                        lineWidth: $("#inpaint-strike-size").val(),
                         strokeStyle: 'black',
                     }
                 };