[FIX] account_statement_base: Allow statements to be created by clicking on the New button (only on cash ones).

If you access the list of statements from the Create button, you should be able to create new records.

TT51767

account_statement_base/views/account_bank_statement.xml

@@ -95,6 +95,9 @@
          <field name="res_model">account.bank.statement</field>
          <field name="view_mode">tree,form,pivot,graph</field>
     </record>
+    <record id="account.action_view_bank_statement_tree" model="ir.actions.act_window">
+        <field name="view_mode">tree,form,pivot,graph</field>
+    </record>
 
     <record id="view_bank_statement_tree" model="ir.ui.view">
         <field name="name">account.bank.statement.tree</field>