[Mlir-commits] [mlir] [mlir][linalg] Fix getSourceSkipUnary to only skip cast-like ops (PR #198725)

[Hocky Yudhiono]

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hockyy wrote:

```suggestion
///   4. its body computes `cast(c) + (cast(a) * cast(b))` on some field
///   (AddOpType, MulOpType), where each `cast` is either identity or one scalar
///   cast operation emitted by `linalg.generalize`.
```

https://github.com/llvm/llvm-project/pull/198725