Enforce template strings in eslint (#1574)

Signed-off-by: Panu Horsmalahti <phorsmalahti@mirantis.com>

src/renderer/components/icon/icon.tsx

@@ -89,7 +89,7 @@ export class Icon extends React.PureComponent<IconProps> {
 
     // render as inline svg-icon
     if (svg) {
-      const svgIconText = require("!!raw-loader!./" + svg + ".svg").default;
+      const svgIconText = require(`!!raw-loader!./${svg}.svg`).default;
       iconContent = <span className="icon" dangerouslySetInnerHTML={{ __html: svgIconText }}/>;
     }