Background:

We want to be able to call these snap positions from another module (#1578), but the existing action takes a spoken form. We'd rather not build a dependency on those, because they can be brittle if the user changes them; it's become a best practice recently (formatters, etc) to use static identifiers instead, and use a Talon list to provide the spoken form.

Change:

• This change changes the keys of the snap positions dictionary to have static identifiers, instead of the previous spoken forms.
• A talon list is introduced to map the spoken forms to the new identifiers.
• To reduce user friction, as people are probably calling the existing action with a spoken form, we'll attempt to convert it to the new identifier if we can, to allow the action to succeed, although we will still show a deprecation warning so they can update their code.