Fix `subscribeStorage`

[clangenb]

A minor error prevented successful storage subscriptions. I tested this fix in our app and it works.

[codecov[bot]]

Codecov Report

Merging #378 (cad12e5) into main (6a0f922) will decrease coverage by 0.01%. The diff coverage is 0.00%.

Additional details and impacted files

[](https://app.codecov.io/gh/leonardocustodio/polkadart/pull/378?src=pr&el=tree&utm_medium=referral&utm_source=github&utm_content=comment&utm_campaign=pr+comments&utm_term=Leonardo+Custodio) ```diff @@ Coverage Diff @@ ## main #378 +/- ## ========================================== - Coverage 44.85% 44.84% -0.01% ========================================== Files 146 146 Lines 8229 8230 +1 ========================================== Hits 3691 3691 - Misses 4538 4539 +1 ``` | [Flag](https://app.codecov.io/gh/leonardocustodio/polkadart/pull/378/flags?src=pr&el=flags&utm_medium=referral&utm_source=github&utm_content=comment&utm_campaign=pr+comments&utm_term=Leonardo+Custodio) | Coverage Δ | | |---|---|---| | [polkadart](https://app.codecov.io/gh/leonardocustodio/polkadart/pull/378/flags?src=pr&el=flag&utm_medium=referral&utm_source=github&utm_content=comment&utm_campaign=pr+comments&utm_term=Leonardo+Custodio) | `17.31% <0.00%> (-0.02%)` | :arrow_down: | | [polkadart_cli](https://app.codecov.io/gh/leonardocustodio/polkadart/pull/378/flags?src=pr&el=flag&utm_medium=referral&utm_source=github&utm_content=comment&utm_campaign=pr+comments&utm_term=Leonardo+Custodio) | `12.27% <ø> (ø)` | | | [polkadart_keyring](https://app.codecov.io/gh/leonardocustodio/polkadart/pull/378/flags?src=pr&el=flag&utm_medium=referral&utm_source=github&utm_content=comment&utm_campaign=pr+comments&utm_term=Leonardo+Custodio) | `94.25% <ø> (ø)` | | | [polkadart_scale_codec](https://app.codecov.io/gh/leonardocustodio/polkadart/pull/378/flags?src=pr&el=flag&utm_medium=referral&utm_source=github&utm_content=comment&utm_campaign=pr+comments&utm_term=Leonardo+Custodio) | `54.93% <ø> (ø)` | | | [ss58](https://app.codecov.io/gh/leonardocustodio/polkadart/pull/378/flags?src=pr&el=flag&utm_medium=referral&utm_source=github&utm_content=comment&utm_campaign=pr+comments&utm_term=Leonardo+Custodio) | `96.87% <ø> (ø)` | | | [substrate_bip39](https://app.codecov.io/gh/leonardocustodio/polkadart/pull/378/flags?src=pr&el=flag&utm_medium=referral&utm_source=github&utm_content=comment&utm_campaign=pr+comments&utm_term=Leonardo+Custodio) | `64.34% <ø> (ø)` | | | [substrate_metadata](https://app.codecov.io/gh/leonardocustodio/polkadart/pull/378/flags?src=pr&el=flag&utm_medium=referral&utm_source=github&utm_content=comment&utm_campaign=pr+comments&utm_term=Leonardo+Custodio) | `87.61% <ø> (ø)` | | Flags with carried forward coverage won't be shown. [Click here](https://docs.codecov.io/docs/carryforward-flags?utm_medium=referral&utm_source=github&utm_content=comment&utm_campaign=pr+comments&utm_term=Leonardo+Custodio#carryforward-flags-in-the-pull-request-comment) to find out more. | [Files](https://app.codecov.io/gh/leonardocustodio/polkadart/pull/378?src=pr&el=tree&utm_medium=referral&utm_source=github&utm_content=comment&utm_campaign=pr+comments&utm_term=Leonardo+Custodio) | Coverage Δ | | |---|---|---| | [packages/polkadart/lib/apis/state.dart](https://app.codecov.io/gh/leonardocustodio/polkadart/pull/378?src=pr&el=tree&utm_medium=referral&utm_source=github&utm_content=comment&utm_campaign=pr+comments&utm_term=Leonardo+Custodio#diff-cGFja2FnZXMvcG9sa2FkYXJ0L2xpYi9hcGlzL3N0YXRlLmRhcnQ=) | `0.00% <0.00%> (ø)` | |

[leonardocustodio]

would you mind reviewing and testing @justkawal ? i'm ooo

[leonardocustodio]

Released under polkadart 0.2.6