[ADD]partner_profiles_pos:show only main profiles in POS client list

partner_profiles_pos/models/pos_session.py

@@ -0,0 +1,13 @@
+from odoo import models
+
+
+class PosSession(models.Model):
+    """Helps to load new fields to the session"""
+    _inherit = 'pos.session'
+
+    def _loader_params_res_partner(self):
+        res = super()._loader_params_res_partner()
+        res["search_params"]["fields"] += [
+            "is_main_profile",
+        ]
+        return res