New eslint rules auto fix (#3058)

* no-implicit-coercion and no-unneeded-ternary

* End every line with a semicolon

* Spacing and formatting

* Enabled semi-spacing

* Applies npm run lint:fix to code after master merge

* Fix merge issues

* Switched operator-linebreak to 'before'

Co-authored-by: Joshi <simplyrender@gmail.com>

src/ui/preview/Preview.vue

@@ -122,6 +122,7 @@ export default {
             if (!styleObj) {
                 return;
             }
+
             let keys = Object.keys(styleObj);
             keys.forEach(key => {
                 let firstChild = this.$refs.objectView.querySelector(':first-child');
@@ -136,11 +137,12 @@ export default {
                         } else if (styleObj.isStyleInvisible && !firstChild.classList.contains(styleObj.isStyleInvisible)) {
                             firstChild.classList.add(styleObj.isStyleInvisible);
                         }
+
                         firstChild.style[key] = styleObj[key];
                     }
                 }
             });
         }
     }
-}
+};
 </script>