setState() called after dispose() fixed

[codecov[bot]]

Codecov Report

Patch coverage: 96.00% and no project coverage change.

Comparison is base (197ad20) 96.74% compared to head (9c24f36) 96.75%.

Additional details and impacted files

```diff @@ Coverage Diff @@ ## master #112 +/- ## ======================================= Coverage 96.74% 96.75% ======================================= Files 30 30 Lines 1323 1356 +33 ======================================= + Hits 1280 1312 +32 - Misses 43 44 +1 ``` | [Impacted Files](https://codecov.io/gh/jogboms/flutter_spinkit/pull/112?src=pr&el=tree&utm_medium=referral&utm_source=github&utm_content=comment&utm_campaign=pr+comments&utm_term=Jeremiah+Ogbomo) | Coverage Δ | | |---|---|---| | [lib/src/three\_in\_out.dart](https://codecov.io/gh/jogboms/flutter_spinkit/pull/112?src=pr&el=tree&utm_medium=referral&utm_source=github&utm_content=comment&utm_campaign=pr+comments&utm_term=Jeremiah+Ogbomo#diff-bGliL3NyYy90aHJlZV9pbl9vdXQuZGFydA==) | `92.30% <0.00%> (-1.81%)` | :arrow_down: | | [lib/src/chasing\_dots.dart](https://codecov.io/gh/jogboms/flutter_spinkit/pull/112?src=pr&el=tree&utm_medium=referral&utm_source=github&utm_content=comment&utm_campaign=pr+comments&utm_term=Jeremiah+Ogbomo#diff-bGliL3NyYy9jaGFzaW5nX2RvdHMuZGFydA==) | `97.36% <100.00%> (+0.14%)` | :arrow_up: | | [lib/src/double\_bounce.dart](https://codecov.io/gh/jogboms/flutter_spinkit/pull/112?src=pr&el=tree&utm_medium=referral&utm_source=github&utm_content=comment&utm_campaign=pr+comments&utm_term=Jeremiah+Ogbomo#diff-bGliL3NyYy9kb3VibGVfYm91bmNlLmRhcnQ=) | `96.29% <100.00%> (+0.29%)` | :arrow_up: | | [lib/src/dual\_ring.dart](https://codecov.io/gh/jogboms/flutter_spinkit/pull/112?src=pr&el=tree&utm_medium=referral&utm_source=github&utm_content=comment&utm_campaign=pr+comments&utm_term=Jeremiah+Ogbomo#diff-bGliL3NyYy9kdWFsX3JpbmcuZGFydA==) | `97.14% <100.00%> (+0.17%)` | :arrow_up: | | [lib/src/folding\_cube.dart](https://codecov.io/gh/jogboms/flutter_spinkit/pull/112?src=pr&el=tree&utm_medium=referral&utm_source=github&utm_content=comment&utm_campaign=pr+comments&utm_term=Jeremiah+Ogbomo#diff-bGliL3NyYy9mb2xkaW5nX2N1YmUuZGFydA==) | `89.41% <100.00%> (+0.25%)` | :arrow_up: | | [lib/src/hour\_glass.dart](https://codecov.io/gh/jogboms/flutter_spinkit/pull/112?src=pr&el=tree&utm_medium=referral&utm_source=github&utm_content=comment&utm_campaign=pr+comments&utm_term=Jeremiah+Ogbomo#diff-bGliL3NyYy9ob3VyX2dsYXNzLmRhcnQ=) | `97.05% <100.00%> (+0.18%)` | :arrow_up: | | [lib/src/pouring\_hour\_glass.dart](https://codecov.io/gh/jogboms/flutter_spinkit/pull/112?src=pr&el=tree&utm_medium=referral&utm_source=github&utm_content=comment&utm_campaign=pr+comments&utm_term=Jeremiah+Ogbomo#diff-bGliL3NyYy9wb3VyaW5nX2hvdXJfZ2xhc3MuZGFydA==) | `98.55% <100.00%> (+0.04%)` | :arrow_up: | | [lib/src/pouring\_hour\_glass\_refined.dart](https://codecov.io/gh/jogboms/flutter_spinkit/pull/112?src=pr&el=tree&utm_medium=referral&utm_source=github&utm_content=comment&utm_campaign=pr+comments&utm_term=Jeremiah+Ogbomo#diff-bGliL3NyYy9wb3VyaW5nX2hvdXJfZ2xhc3NfcmVmaW5lZC5kYXJ0) | `98.78% <100.00%> (+0.03%)` | :arrow_up: | | [lib/src/pulse.dart](https://codecov.io/gh/jogboms/flutter_spinkit/pull/112?src=pr&el=tree&utm_medium=referral&utm_source=github&utm_content=comment&utm_campaign=pr+comments&utm_term=Jeremiah+Ogbomo#diff-bGliL3NyYy9wdWxzZS5kYXJ0) | `96.55% <100.00%> (+0.25%)` | :arrow_up: | | [lib/src/ring.dart](https://codecov.io/gh/jogboms/flutter_spinkit/pull/112?src=pr&el=tree&utm_medium=referral&utm_source=github&utm_content=comment&utm_campaign=pr+comments&utm_term=Jeremiah+Ogbomo#diff-bGliL3NyYy9yaW5nLmRhcnQ=) | `98.03% <100.00%> (+0.08%)` | :arrow_up: | | ... and [7 more](https://codecov.io/gh/jogboms/flutter_spinkit/pull/112?src=pr&el=tree-more&utm_medium=referral&utm_source=github&utm_content=comment&utm_campaign=pr+comments&utm_term=Jeremiah+Ogbomo) | |

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