Shipping method don't reload by default country when first reload page

[trungto3t]

Preconditions (*)

1.Magento 2.4.2 with sample data (replicate on Magento 2.4.3)
2.PHP 7.4
3. Local enviroment.

Steps to reproduce (*)

1.Set United Kingdom to default country General->general->Country Options -> default country
2.Set shipping method free shipping for special countries United Kingdom
3.Add any product to cart.
4.Go to checkout page (Guest checkout,just open the checkout page, haven't filled in any fields)

Expected result (*)

1. Shipping address country display United Kingdom
   2.Shipping method apprear free shipping method

Actual result (*)

1. Shipping address country display United Kingdom
   2.Shipping method not apprear free shipping method

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https://www.loom.com/share/3eb9cabfd8fe45d58f119d241d780c77
window.checkoutConfig.defaultCountryId was set by field https://i.imgur.com/JLs78qm.png https://i.imgur.com/T4Wim5p.png not General->general->Country Options -> default country

[m2-assistant]

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[trungto3t]

@magento give me 2.4-develop instance

[magento-deployment-service]

Hi @trungto3t. Thank you for your request. I'm working on Magento instance for you.

[m2-assistant]

Hi @trungto3t! 👋
Thank you for collaboration. Only members of Community Contributors Team are allowed to be assigned to the issue. Please use @magento add to contributors team command to join Contributors team.

[magento-deployment-service]

Hi @trungto3t, here is your Magento Instance: https://f243b9c0f9ae3b48969f9df1aac23955-2-4-develop.instances.magento-community.engineering
Admin access: https://f243b9c0f9ae3b48969f9df1aac23955-2-4-develop.instances.magento-community.engineering/admin_7bbb
Login: 13ce1b4e
Password: 5f03e6b2c98f

[trungto3t]

@magento i replicate issue on 2.4-develop instance https://www.loom.com/share/b8001e439def4505bcd1f4d375080c0e

[m2-assistant]

Hi @ajijshekh123. Thank you for working on this issue.
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[ajijshekh123]

Hi @trungto3t,
The issue is reproduced to the below steps:

1. Set up the default country "United Kingdom" on Admin > Stores > General > Country Options > United Kingdom

2. On the Front end, Add Bag product to the cart
3. Click on the Mini cart icon, Navigate the Checkout page
4. For the first time "Free Shipping" method is not showing on Shipping methods block

5. Once the user changes the other country and again select the "United Kingdom" default country > "FREE SHIPPING" METHOD IS SHOWING ON SHIPPING METHOD BLOCK (CHECKOUT PAGE)

Thanks