SNC missing first property in PropertyAccessExpression

### 🐛 Bug Report

- TypeStat version: 0.5.3
- TypeScript version: 4.4.4
- Node version: 16.x

Getting lazy with repro steps, as ill just add it as test. posting as text below:

```
type C = string | null;
type B = { C: C } | null;
type A = { B: B } | null;

const A1 = {
B: {
C: null
}
} as A;

const x: string = A1.B.C;
```

#### Actual Behavior

```
const x: string = A1.B!.C!;
```

#### Expected Behavior

```
const x: string = A1!.B!.C!;
`