feat: adds Product selection when using ticket

[marfavi]

Add support for using concrete products when claiming a ticket:

• Upgraded ticket use flow to accommodate the selection of menu items explicitly.
• The last selected menu item is cached locally for each ticket (cache cleared on logout).

other:

• Simplified the Product feature file structure.
• Add improvements to network request handling by adopting a TaskEither type for better composability.
• Added package Hive for local storage
• Rename some files and refactor several imports across the codebase
• Fixed various minor bugs, tightened type constraints, and made use of pattern matching & fpdart types.

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  Coverage        ?   68.76%           
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  Files           ?      133           
  Lines           ?     1697           
  Branches        ?        0           
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  Hits            ?     1167           
  Misses          ?      530           
  Partials        ?        0           

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[TTA777]

There are frankly so many changes, I don't follow all of it.

With that said, only some smaller comments, where I would like some thoughts from you.

Also, are you sure that caching the last used menu item on swiping will have the intended outcome? I'm thinking that people will tend to be lazy, and just use whatever it was already on when swiping. This would be a shame, since it would basically make the data we get from it worthless. Is this something you have considered?

[marfavi]

There are frankly so many changes, I don't follow all of it.

With that said, only some smaller comments, where I would like some thoughts from you.

Also, are you sure that caching the last used menu item on swiping will have the intended outcome? I'm thinking that people will tend to be lazy, and just use whatever it was already on when swiping. This would be a shame, since it would basically make the data we get from it worthless. Is this something you have considered?

It was implemented to help people feel like not much extra work is being done. We can ask baristas about how precise customer swipes 1-2 weeks in with this feature enabled.