Linter to rewrite `err=foo; if err` to `if err=foo; err`

### Your feature request related to a problem? Please describe.

rewrite
```
err = foo
if err != nil {
```

into
```
if err = foo; err != nil {
```

so our code looks consistent

### Describe the solution you'd like.

automatic reformat

### Describe alternatives you've considered.

manually reformatting

### Additional context.

_No response_