[FIX] contract: Proper depends for create_invoice_visibility

Although is not probable that you change these fields once created, a proper
dependency chain can save several problems.

contract/__manifest__.py

@@ -9,7 +9,7 @@
 
 {
     'name': 'Recurring - Contracts Management',
-    'version': '12.0.7.2.4',
+    'version': '12.0.7.2.5',
     'category': 'Contract Management',
     'license': 'AGPL-3',
     'author': "OpenERP SA, "

contract/models/contract_line.py

@@ -649,7 +649,13 @@ class ContractLine(models.Model):
                         % line.name
                     )
 
-    @api.depends('recurring_next_date', 'date_start', 'date_end')
+    @api.depends(
+        'display_type',
+        'is_recurring_note',
+        'recurring_next_date',
+        'date_start',
+        'date_end',
+    )
     def _compute_create_invoice_visibility(self):
         # TODO: depending on the lines, and their order, some sections
         # have no meaning in certain invoices