fix(array-api): fix xp.where errors (#4624)

`xp.where` always requires a bool array as its first input, but
previously, the array-api-strict package didn't require it.

<!-- This is an auto-generated comment: release notes by coderabbit.ai
-->

## Summary by CodeRabbit

- **Refactor**
- Enhanced the internal filtering logic by standardizing type handling
for exclusion conditions, ensuring more reliable and consistent
operations across the system.

<!-- end of auto-generated comment: release notes by coderabbit.ai -->

---------

Signed-off-by: Jinzhe Zeng <jinzhe.zeng@ustc.edu.cn>
(cherry picked from commit 05ba1bf)

Author: njzjz

deepmd/dpmodel/descriptor/dpa1.py

@@ -899,6 +899,7 @@ def call(
         exclude_mask = self.emask.build_type_exclude_mask(nlist, atype_ext)
         # nfnl x nnei
         exclude_mask = xp.reshape(exclude_mask, (nf * nloc, nnei))
+        exclude_mask = xp.astype(exclude_mask, xp.bool)
         # nfnl x nnei
         nlist = xp.reshape(nlist, (nf * nloc, nnei))
         nlist = xp.where(exclude_mask, nlist, xp.full_like(nlist, -1))

deepmd/dpmodel/descriptor/repformers.py

@@ -393,6 +393,7 @@ def call(
     ):
         xp = array_api_compat.array_namespace(nlist, coord_ext, atype_ext)
         exclude_mask = self.emask.build_type_exclude_mask(nlist, atype_ext)
+        exclude_mask = xp.astype(exclude_mask, xp.bool)
         nlist = xp.where(exclude_mask, nlist, xp.full_like(nlist, -1))
         # nf x nloc x nnei x 4
         dmatrix, diff, sw = self.env_mat.call(

deepmd/dpmodel/descriptor/se_t_tebd.py

@@ -682,6 +682,7 @@ def call(
         exclude_mask = xp.reshape(exclude_mask, (nf * nloc, nnei))
         # nfnl x nnei
         nlist = xp.reshape(nlist, (nf * nloc, nnei))
+        exclude_mask = xp.astype(exclude_mask, xp.bool)
         nlist = xp.where(exclude_mask, nlist, xp.full_like(nlist, -1))
         # nfnl x nnei
         nlist_mask = nlist != -1

deepmd/dpmodel/fitting/general_fitting.py

@@ -455,6 +455,7 @@ def _call_common(
         )
         # nf x nloc
         exclude_mask = self.emask.build_type_exclude_mask(atype)
+        exclude_mask = xp.astype(exclude_mask, xp.bool)
         # nf x nloc x nod
         outs = xp.where(exclude_mask[:, :, None], outs, xp.zeros_like(outs))
         return {self.var_name: outs}