refactor(payouts): update helper functions for deciding whether or not to consume flows based on current status

[kashif-m]

Type of Change

• Bugfix
• New feature
• Enhancement
• Refactoring
• Dependency updates
• Documentation
• CI/CD

Description

This PR fixes below bugs

• default status (based on different conditions) does not update in payouts table
• payout status updation during confirmation happens prior to validating the request
• helper functions for deciding whether or not to execute different payout flows does not have the updated status list

Additional Changes

• This PR modifies the API contract
• This PR modifies the database schema
• This PR modifies application configuration/environment variables

Motivation and Context

Tested locally using payout's test suite.

How did you test it?

1. Create a payout using confirm: false, auto_fulfill: false

curl --location 'https://heard-directly-trademarks-diana.trycloudflare.com/payouts/create' \
--header 'x-feature: integ-custom' \
--header 'Content-Type: application/json' \
--header 'api-key: dev_N4b6S09H8f5CHy1vvGEEyvyJcUqcs64R84eVkCtdBr3iTYFOGhCHieJlkoJUSs7w' \
--data-raw '{
    "amount": 1,
    "currency": "EUR",
    "customer_id": "cus_ZcGmeCSo9O0YMHx8S9KT",
    "email": "payout_customer@example.com",
    "name": "John Doe",
    "phone": "999999999",
    "phone_country_code": "+65",
    "description": "Its my first payout request",
    "payout_type": "wallet",
    "payout_method_data": {
        "wallet": {
            "paypal": {
                "email": "example@example.com"
            }
        }
    },
    "connector": [
        "adyen"
    ],
    "billing": {
        "address": {
            "line1": "1467",
            "line2": "Harrison Street",
            "line3": "Harrison Street",
            "city": "San Fransico",
            "state": "CA",
            "zip": "94122",
            "country": "US",
            "first_name": "John",
            "last_name": "Doe"
        },
        "phone": {
            "number": "8056594427",
            "country_code": "+91"
        }
    },
    "entity_type": "NaturalPerson",
    "recurring": true,
    "metadata": {
        "ref": "123"
    },
    "confirm": false,
    "auto_fulfill": false
}'

2. Confirm payout

curl --location 'https://heard-directly-trademarks-diana.trycloudflare.com/payouts/46e549bf-8f7c-491f-96c7-f79087074b3d/confirm' \
--header 'Content-Type: application/json' \
--header 'api-key: dev_N4b6S09H8f5CHy1vvGEEyvyJcUqcs64R84eVkCtdBr3iTYFOGhCHieJlkoJUSs7w' \
--data '{
}'

3. Fulfill payout

curl --location 'https://heard-directly-trademarks-diana.trycloudflare.com/payouts/46e549bf-8f7c-491f-96c7-f79087074b3d/fulfill' \
--header 'Content-Type: application/json' \
--header 'api-key: dev_N4b6S09H8f5CHy1vvGEEyvyJcUqcs64R84eVkCtdBr3iTYFOGhCHieJlkoJUSs7w' \
--data '{
}'

Checklist

• I formatted the code cargo +nightly fmt --all
• I addressed lints thrown by cargo clippy
• I reviewed the submitted code
• I added unit tests for my changes where possible