[clang-format] Fix regression in parsing pointers to arrays.

Fixes https://github.com/llvm/llvm-project/issues/53293.

After commit 5c2e7c9c, the code:
```
template <> struct S : Template<int (*)[]> {};
```
was misformatted as:
```
template <> struct S : Template<int (*)[]>{};
```

Reviewed By: MyDeveloperDay, HazardyKnusperkeks, owenpan

Differential Revision: https://reviews.llvm.org/D118106