[IMP] lunch: view improvement of previous orders.

Purpose:
1/ In the lunch app, previous orders list: the products are not displayed.
It is written X Records but you don't see the products name. Therefore
the information is useless.

2/ It is dangerous to be able to delete a previous order that has been
received (it changes the lunch account amount)

What is done:
In Previous Orders list :
- The view should be based on the sales orders lines. In that case, each
  line = 1 product.
- add a note column (between product and status)
- add a user column (between status and total)
- Rename Total into Price
- If order.line status = ordered or received, it shouldn't be possible
  to delete it. An ir.rule has been added to achieve this.
- An additional group access right check is made in the actions 'confirm'
  'cancel' and 'order' because they can be called in batch under the
  Action button.

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