`unnecessary_parenthesis` false positive with `records`

[asashour]

const a = 1;
const b = 2;

void f(int i) {
  switch (i) {
    case const (a + b):
      break;
  }
}

There is a lint of unnecessary_parenthesis, however removing them causes a compilation error.

[srawlins]

Great catch. CC @pq

[pq]

Thank you!

[pq]

See also #59037