getShippingMethod as object still suffer from "carrier underscore" bug

[Sartoric]

Preconditions (*)

1. Magento 2.4-develop
2. Magento 2.3.5-p1

Steps to reproduce (*)

1. Use a custom carrier with underscore in his name eg. aa_bb
2. retrieve the shipping method as an object eg.
   $shipping = $order->getShippingMethod(true)
3. get the carrier_code
   $code = $shipping->getCarrierCode()

Expected result (*)

1. $code should be aa_bb

Actual result (*)

1. $code is aa while $shipping->getMethod() is bb_method

Related to this: #13902

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Please provide Severity assessment for the Issue as Reporter. This information will help during Confirmation and Issue triage processes.

• Severity: S0 - Affects critical data or functionality and leaves users without workaround.
• Severity: S1 - Affects critical data or functionality and forces users to employ a workaround.
• Severity: S2 - Affects non-critical data or functionality and forces users to employ a workaround.
• Severity: S3 - Affects non-critical data or functionality and does not force users to employ a workaround.
• Severity: S4 - Affects aesthetics, professional look and feel, “quality” or “usability”.

[m2-assistant]

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[m2-assistant]

Hi @engcom-Alfa. Thank you for working on this issue.
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[magento-engcom-team]

✅ Confirmed by @engcom-Alfa
Thank you for verifying the issue. Based on the provided information internal tickets MC-40274 were created

Issue Available: @engcom-Alfa, You will be automatically unassigned. Contributors/Maintainers can claim this issue to continue. To reclaim and continue work, reassign the ticket to yourself.