fusion_plating: fix search view for Odoo 19 + remove unaccent param (v19.0.2.0.1)

Odoo 19 search views: removed <group string="..."> wrapper (invalid),
removed string attr from <search>, removed filter_domain on name field.
Removed unaccent=False from parent_path (unknown param in this version).

Co-Authored-By: Claude Opus 4.6 (1M context) <noreply@anthropic.com>

fusion-plating/fusion_plating/models/fp_process_node.py

@@ -63,7 +63,6 @@ class FpProcessNode(models.Model):
     )
     parent_path = fields.Char(
         index=True,
-        unaccent=False,
     )
     child_ids = fields.One2many(
         'fusion.plating.process.node',