fix(jax): fix DPA3 force NaN with edge_init_use_dist (#4794)

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## Summary by CodeRabbit

- **Bug Fixes**
- Improved the stability and reliability of distance calculations during
edge initialization, enhancing overall robustness.

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Signed-off-by: Jinzhe Zeng <[email protected]>

Author: njzjz

deepmd/dpmodel/descriptor/repflows.py

@@ -526,7 +526,7 @@ def call(
         # edge_input, h2 = xp.split(dmatrix, [1], axis=-1)
         # nb x nloc x nnei x 1
         if self.edge_init_use_dist:
-            edge_input = xp.linalg.vector_norm(diff, axis=-1, keepdims=True)
+            edge_input = safe_for_vector_norm(diff, axis=-1, keepdims=True)
         else:
             edge_input = dmatrix[:, :, :, :1]
         h2 = dmatrix[:, :, :, 1:]