fix: Spellchecker on Product Name field

[SISIR-REDDY]

• Fixes: Spellchecker on Product Name field #5415\n\n### What\n- Enabled the spellchecker on the Product Name field.

[codecov-commenter]

Codecov Report

✅ All modified and coverable lines are covered by tests.
✅ Project coverage is 9.10%. Comparing base (4d9c7fc) to head (b3912ad).
⚠️ Report is 1354 commits behind head on develop.

Additional details and impacted files

@@            Coverage Diff             @@
##           develop   #7447      +/-   ##
==========================================
- Coverage     9.54%   9.10%   -0.45%     
==========================================
  Files          325     625     +300     
  Lines        16411   36638   +20227     
==========================================
+ Hits          1567    3337    +1770     
- Misses       14844   33301   +18457     

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[teolemon]

@SISIR-REDDY we're short on reviewing power, so I requested a Copilot initial review meanwhile

[Copilot]

Pull request overview

Enables OS spellchecking for the Product Name input in the product “Add basic details” flow, addressing issue #5415.

Changes:

• Turned on spellCheckConfiguration for the Product Name SmoothTextFormField.

[Copilot]

This enables spellcheck unconditionally. Elsewhere spellcheck is explicitly guarded to mobile platforms (e.g., EditOCRTextField enables it only when Platform.isAndroid || Platform.isIOS). If the intent is to enable spellcheck only where supported/desired, consider adding the same platform guard here and using SpellCheckConfiguration.disabled() otherwise.

Suggested change

	spellCheckConfiguration: const SpellCheckConfiguration(),
	spellCheckConfiguration:
	Platform.isAndroid || Platform.isIOS
	? const SpellCheckConfiguration()
	: const SpellCheckConfiguration.disabled(),