add no-unused and react/recommended to eslint (#1523)

* add no-unused-vars and no-unused-imports

* added quotes: double, and remove ignore pattern

* move itif and describeif into utils

Signed-off-by: Sebastian Malton <sebastian@malton.name>

src/renderer/components/virtual-list/virtual-list.tsx

@@ -106,9 +106,10 @@ export class VirtualList extends Component<Props, State> {
           overscanCount={overscanCount}
           ref={this.listRef}
           outerRef={outerRef}
-          children={Row}
           onScroll={onScroll}
-        />
+        >
+          {Row}
+        </VariableSizeList>
       </div>
     );
   }
@@ -133,4 +134,4 @@ const Row = observer((props: RowProps) => {
   return React.cloneElement(row, {
     style: Object.assign({}, row.props.style, style)
   });
-});
+});