Fix lints & other updates

[codecov[bot]]

Codecov Report

Attention: 17 lines in your changes are missing coverage. Please review.

Comparison is base (1fa9054) 85.87% compared to head (034fbe6) 83.70%. Report is 8 commits behind head on master.

Additional details and impacted files

```diff @@ Coverage Diff @@ ## master #246 +/- ## ========================================== - Coverage 85.87% 83.70% -2.18% ========================================== Files 20 20 Lines 616 632 +16 ========================================== Hits 529 529 - Misses 87 103 +16 ``` | [Files](https://app.codecov.io/gh/ueman/feedback/pull/246?src=pr&el=tree&utm_medium=referral&utm_source=github&utm_content=comment&utm_campaign=pr+comments&utm_term=Jonas+Uek%C3%B6tter) | Coverage Δ | | |---|---|---| | [feedback/lib/src/better\_feedback.dart](https://app.codecov.io/gh/ueman/feedback/pull/246?src=pr&el=tree&utm_medium=referral&utm_source=github&utm_content=comment&utm_campaign=pr+comments&utm_term=Jonas+Uek%C3%B6tter#diff-ZmVlZGJhY2svbGliL3NyYy9iZXR0ZXJfZmVlZGJhY2suZGFydA==) | `97.91% <100.00%> (+0.13%)` | :arrow_up: | | [feedback/lib/src/controls\_column.dart](https://app.codecov.io/gh/ueman/feedback/pull/246?src=pr&el=tree&utm_medium=referral&utm_source=github&utm_content=comment&utm_campaign=pr+comments&utm_term=Jonas+Uek%C3%B6tter#diff-ZmVlZGJhY2svbGliL3NyYy9jb250cm9sc19jb2x1bW4uZGFydA==) | `100.00% <100.00%> (ø)` | | | [feedback/lib/src/feedback\_bottom\_sheet.dart](https://app.codecov.io/gh/ueman/feedback/pull/246?src=pr&el=tree&utm_medium=referral&utm_source=github&utm_content=comment&utm_campaign=pr+comments&utm_term=Jonas+Uek%C3%B6tter#diff-ZmVlZGJhY2svbGliL3NyYy9mZWVkYmFja19ib3R0b21fc2hlZXQuZGFydA==) | `81.66% <100.00%> (-0.31%)` | :arrow_down: | | [...back/lib/src/feedback\_builder/string\_feedback.dart](https://app.codecov.io/gh/ueman/feedback/pull/246?src=pr&el=tree&utm_medium=referral&utm_source=github&utm_content=comment&utm_campaign=pr+comments&utm_term=Jonas+Uek%C3%B6tter#diff-ZmVlZGJhY2svbGliL3NyYy9mZWVkYmFja19idWlsZGVyL3N0cmluZ19mZWVkYmFjay5kYXJ0) | `100.00% <ø> (ø)` | | | [feedback/lib/src/feedback\_controller.dart](https://app.codecov.io/gh/ueman/feedback/pull/246?src=pr&el=tree&utm_medium=referral&utm_source=github&utm_content=comment&utm_campaign=pr+comments&utm_term=Jonas+Uek%C3%B6tter#diff-ZmVlZGJhY2svbGliL3NyYy9mZWVkYmFja19jb250cm9sbGVyLmRhcnQ=) | `100.00% <ø> (ø)` | | | [feedback/lib/src/feedback\_data.dart](https://app.codecov.io/gh/ueman/feedback/pull/246?src=pr&el=tree&utm_medium=referral&utm_source=github&utm_content=comment&utm_campaign=pr+comments&utm_term=Jonas+Uek%C3%B6tter#diff-ZmVlZGJhY2svbGliL3NyYy9mZWVkYmFja19kYXRhLmRhcnQ=) | `100.00% <ø> (ø)` | | | [feedback/lib/src/l18n/localization.dart](https://app.codecov.io/gh/ueman/feedback/pull/246?src=pr&el=tree&utm_medium=referral&utm_source=github&utm_content=comment&utm_campaign=pr+comments&utm_term=Jonas+Uek%C3%B6tter#diff-ZmVlZGJhY2svbGliL3NyYy9sMThuL2xvY2FsaXphdGlvbi5kYXJ0) | `90.90% <100.00%> (-1.40%)` | :arrow_down: | | [feedback/lib/src/paint\_on\_background.dart](https://app.codecov.io/gh/ueman/feedback/pull/246?src=pr&el=tree&utm_medium=referral&utm_source=github&utm_content=comment&utm_campaign=pr+comments&utm_term=Jonas+Uek%C3%B6tter#diff-ZmVlZGJhY2svbGliL3NyYy9wYWludF9vbl9iYWNrZ3JvdW5kLmRhcnQ=) | `100.00% <ø> (ø)` | | | [feedback/lib/src/painter.dart](https://app.codecov.io/gh/ueman/feedback/pull/246?src=pr&el=tree&utm_medium=referral&utm_source=github&utm_content=comment&utm_campaign=pr+comments&utm_term=Jonas+Uek%C3%B6tter#diff-ZmVlZGJhY2svbGliL3NyYy9wYWludGVyLmRhcnQ=) | `65.47% <ø> (-0.41%)` | :arrow_down: | | [feedback/lib/src/scale\_and\_clip.dart](https://app.codecov.io/gh/ueman/feedback/pull/246?src=pr&el=tree&utm_medium=referral&utm_source=github&utm_content=comment&utm_campaign=pr+comments&utm_term=Jonas+Uek%C3%B6tter#diff-ZmVlZGJhY2svbGliL3NyYy9zY2FsZV9hbmRfY2xpcC5kYXJ0) | `100.00% <ø> (ø)` | | | ... and [6 more](https://app.codecov.io/gh/ueman/feedback/pull/246?src=pr&el=tree-more&utm_medium=referral&utm_source=github&utm_content=comment&utm_campaign=pr+comments&utm_term=Jonas+Uek%C3%B6tter) | |

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