[Product Global Unique Id] Edit and Validate Value

[toupper]

Closes: #13017

Description

With this PR we let the users update the products and variations global unique identifier. We also validate the value to avoid it to contain characters other than numbers and hyphens.

Steps to reproduce

1. Go to products
2. Tap on a product.
3. Tap on inventory. If it's a variable product, select a variation, and tap inventory.
4. Edit the GTIN value. Test also that we validate the value effectively, that is, that we don't allow it to contain characters other than numbers and hyphens.
5. Tap on back
6. Update the product or variation

Duplicated case

Enter a duplicated GTIN value, that is, a value that was assigned before to a product or variation. When saving the product or variation you should see an error coming remotely. (See video)

Testing information

The tests that have been performed

I checked that:

• It works for products and variations
• It works for external products
• We properly show the validation error

Images/gif

Products

Variations

Validating errors

• I have considered if this change warrants release notes and have added them to RELEASE-NOTES.txt if necessary. Use the "[Internal]" label for non-user-facing changes.

Reviewer (or Author, in the case of optional code reviews):

Please make sure these conditions are met before approving the PR, or request changes if the PR needs improvement:

• The PR is small and has a clear, single focus, or a valid explanation is provided in the description. If needed, please request to split it into smaller PRs.
• Ensure Adequate Unit Test Coverage: The changes are reasonably covered by unit tests or an explanation is provided in the PR description.
• Manual Testing: The author listed all the tests they ran, including smoke tests when needed (e.g., for refactorings). The reviewer confirmed that the PR works as expected on big (tablet) and small (phone) in case of UI changes, and no regressions are added.

[wpmobilebot]

📲 You can test the changes from this Pull Request in WooCommerce-Wear Android by scanning the QR code below to install the corresponding build.

	App Name	WooCommerce-Wear Android
	Platform	⌚️ Wear OS
	Flavor	Jalapeno
	Build Type	Debug
	Commit	a934e1a
	Direct Download	woocommerce-wear-prototype-build-pr13022-a934e1a.apk

[wpmobilebot]

📲 You can test the changes from this Pull Request in WooCommerce Android by scanning the QR code below to install the corresponding build.

	App Name	WooCommerce Android
	Platform	📱 Mobile
	Flavor	Jalapeno
	Build Type	Debug
	Commit	a934e1a
	Direct Download	woocommerce-prototype-build-pr13022-a934e1a.apk

[codecov-commenter]

Codecov Report

Attention: Patch coverage is 73.91304% with 6 lines in your changes missing coverage. Please review.

Project coverage is 39.74%. Comparing base (5d96bce) to head (a934e1a).
Report is 8 commits behind head on trunk.

Files with missing lines	Patch %	Lines
...e/android/ui/products/ProductInventoryViewModel.kt	82.35%	0 Missing and 3 partials ⚠️
...woocommerce/android/ui/products/ProductErrorExt.kt	50.00%	0 Missing and 1 partial ⚠️
...roid/ui/products/details/ProductDetailViewModel.kt	50.00%	0 Missing and 1 partial ⚠️
...ui/products/variations/VariationDetailViewModel.kt	50.00%	0 Missing and 1 partial ⚠️

Additional details and impacted files

@@            Coverage Diff            @@
##              trunk   #13022   +/-   ##
=========================================
  Coverage     39.73%   39.74%           
- Complexity     6038     6044    +6     
=========================================
  Files          1274     1274           
  Lines         73464    73485   +21     
  Branches      10075    10080    +5     
=========================================
+ Hits          29192    29207   +15     
  Misses        41699    41699           
- Partials       2573     2579    +6     

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