[webgpu] support bool for binary operators (#25674)
### Description
Currently boolean types are not supported as inputs of binary operators
in WebGPU.
This change adds the support.
### Motivation and Context
In WebGPU, `bool` is not a valid type for storage. To make it work with
a storage buffer, we have to store a `u32` value representing 4 bool
values.
To make it work with the existing WebGPU framework, we need to ensure
all modes of the binary operator program always use components == 4 for
bool.
