Fix a typo and swap SHR for mul-by-coeff

lib/network/modules/components/shared/Label.js

@@ -130,7 +130,7 @@ class Label {
     // When the textAlign property is 'left', make label left-justified
     if (this.options.font.textAlign === 'left') {
       ctx.textAlign = this.options.font.textAlign;
-      x = x - (this.size.wideth >> 1); // Shift label 1/2-way (>>1 == div by 2) left
+      x = x - 0.5 * this.size.width; // Shift label 1/2-distance to the left
     } else {
       ctx.textAlign = 'center';
     }