feat(carbon_mixin.py): add check for carbon distribution usage in has…

…_valid_carbon_distribution method

sustainability/models/carbon_mixin.py

@@ -390,9 +390,7 @@ def create(self, vals):
     # If we don't filter lines, they all get returned (in & out), whatever the carbon type
     # It seems that the domain in the one2many field is not working as expected...
     def _get_distribution_lines(self, carbon_type: str):
-        return self[f"carbon_{carbon_type}_distribution_line_ids"].filtered(
-            lambda x: x.carbon_type == carbon_type
-        )
+        return self[f"carbon_{carbon_type}_distribution_line_ids"]
 
     def has_valid_carbon_value(self, carbon_type: str):
         self.ensure_one()
@@ -402,6 +400,8 @@ def has_valid_carbon_value(self, carbon_type: str):
 
     def has_valid_carbon_distribution(self, carbon_type: str):
         self.ensure_one()
+        if not self[f"carbon_{carbon_type}_use_distribution"]:
+            return True
         total_percentage = sum(
             [line.percentage for line in self._get_distribution_lines(carbon_type)]
         )