🎨 Palette: Make list rows completely clickable

[acebytes]

💡 What

Modified CategoryRow.swift and NodeModulesSection.swift so the entire row is clickable rather than just the selection checkbox image.

🎯 Why

In the original design, users could only toggle selections by clicking directly on the checkmark/circle icon, which provided a narrow and frustrating hit target. Making the entire row interactive significantly improves usability.

📸 Before/After

(Visual change is interaction-only; the layout remains exactly the same.)

♿ Accessibility

• Wrapped row contents natively in Button.
• Removed nested button components.
• Used .accessibilityElement(children: .combine) to consolidate the row information for screen readers into a single understandable block.
• Synchronized the selection state correctly via .accessibilityAddTraits(item.isSelected ? .isSelected : []) to provide clear feedback.

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PR created automatically by Jules for task 8535096326754270956 started by @acebytes

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