[AArch64][GlobalISel] Fold G_SELECT cc, %t, (G_ADD %x, 1) -> CSINC %t, %x, cc

This implements

```
G_SELECT cc, %true, (G_ADD %x, 1) -> CSINC %true, %x, cc
G_SELECT cc, (G_ADD %x, 1), %false -> CSINC %x, %false, inv_cc
```

Godbolt example: https://godbolt.org/z/eoPqKq

Differential Revision: https://reviews.llvm.org/D92868