At the moment, the point_of_sale module has 3 different implementations of
numpads. This is absurd. In this PR we unify them all into a single
numpad component.
One of the reasons why there are multiple numpads is because each requires
a slightly different set of buttons. The new `Numpad` component provides
a simple API which allows the consumer to specify what the buttons should be.
This is done by proving the `buttons` prop, which has the following type:
```js
buttons: {
type: Array,
element: {
type: Object,
shape: {
value: String,
text: { type: String, optional: true },
class: { type: String, optional: true },
disabled: { type: Boolean, optional: true },
},
},
}
```
In this PR we also provide a simple set of helper functions for the tours
and adapt all of the existing tests accordingly.
closesodoo/odoo#132245
Task: 3470346
Related: odoo/enterprise#46427
Signed-off-by: Joseph Caburnay (jcb) <jcb@odoo.com>