Fix not applicable in statement when exist else block

Example
---
```rust
fn main() {
    some_statements();
    if$0 let Ok(x) = Err(92) {
        foo(x);
    } else {
        return;
    }
    some_statements();
}
```

**Before this PR**

Assist not applicable

**After this PR**

```rust
fn main() {
    some_statements();
    let Ok(x) = Err(92) else {
        return;
    };
    foo(x);
    some_statements();
}
```