Fix no_results image paths

frontend/src/metabase/containers/ErrorPages.jsx

@@ -40,7 +40,7 @@ export const GenericError = ({
 export const NotFound = () => (
   <ErrorPageWrapper>
     <EmptyState
-      illustrationElement={<img src="../app/assets/img/no_results.svg" />}
+      illustrationElement={<img src="app/assets/img/no_results.svg" />}
       title={t`We're a little lost...`}
       message={t`The page you asked for couldn't be found.`}
       link={Urls.question()}

frontend/src/metabase/visualizations/components/ColumnSettings.jsx

@@ -88,7 +88,7 @@ const ColumnSettings = ({
       ) : (
         <EmptyState
           message={t`No formatting settings`}
-          illustrationElement={<img src="../app/assets/img/no_results.svg" />}
+          illustrationElement={<img src="app/assets/img/no_results.svg" />}
         />
       )}
     </div>

frontend/src/metabase/visualizations/components/Visualization.jsx

@@ -467,7 +467,7 @@ export default class Visualization extends Component {
             }
           >
             <Tooltip tooltip={t`No results!`} isEnabled={small}>
-              <img src="../app/assets/img/no_results.svg" />
+              <img src="app/assets/img/no_results.svg" />
             </Tooltip>
             {!small && <span className="h4 text-bold">No results!</span>}
           </div>