storage: use console.warn not console.warning to fix crash

f66f8f4 mistakenly tried to log a warning with `console.warning`,
which doesn't exist. It's `console.warn`. This means we still
crash on the path where we crashed before, now with an error
about `console.warning` being undefined.

Signed-off-by: Adam Williamson <awilliam@redhat.com>

src/actions/storage-actions.js

@@ -79,7 +79,7 @@ export const getDevicesAction = () => {
  partName: partName.trim(),
  };
  } catch (e) {
- console.warning("Failed to get partition label", e);
+ console.warn("Failed to get partition label", e);
  devData.misc = {
  fsLabel: "",
  partName: "",