Do not apply regular attributes to elements

[viceroypenguin]

Fixes #201

[codecov]

Codecov Report

❌ Patch coverage is 98.43750% with 1 line in your changes missing coverage. Please review.

Files with missing lines	Patch %	Lines
...alidations.Generators/ValidateTargetTransformer.cs	98.43%	1 Missing ⚠️

Files with missing lines	Coverage Δ
...alidations.Generators/ValidateTargetTransformer.cs	94.80% <98.43%> (+0.32%)	⬆️

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[Copilot]

Pull Request Overview

This PR fixes the application of validation attributes to elements within collections, ensuring attributes are only applied to the appropriate targets (collections vs. collection elements).

Key changes:

• Modifies validation generation logic to distinguish between collection-level and element-level attributes
• Adds tests for new collection validation scenarios
• Updates test infrastructure to suppress compiler warnings for invalid attribute placement

Reviewed Changes

Copilot reviewed 9 out of 9 changed files in this pull request and generated 1 comment.

Show a summary per file

File	Description
ValidateTargetTransformer.cs	Core logic changes to properly handle attribute application based on target type (collection vs element)
GeneratorTestHelper.cs	Suppresses CS0658 compiler warning for invalid attribute locations
CollectionTests.cs	Adds new test cases for List and string[] with NotEmpty validation
Various test snapshots	Updated expected outputs reflecting corrected validation logic
CollectionTests integration test	Updates test expectations to match new validation behavior