JS-361: Magnifier is visible on mobile breakpoint

    - code refactoring

Author: ValeryYafremau

lib/web/magnifier/magnifier.js

@@ -166,7 +166,7 @@
 
             data[idx].lensH = data[idx].lensH > $thumb.height() ? $thumb.height() : data[idx].lensH;
 
-            if (data[idx].lensW < 1) {
+            if (Math.round(data[idx].lensW) === 0) {
                 lens.css('display', 'none');
             } else {
                 lens.css({