[Fix]: detect missing keys in return statement with ternary operator

[hyeonbinHur]

Fix #3925

[hyeonbinHur]

Invalid Test Cases (4)

Case	Scenario	AST Patterns Covered
1: Basic Pattern	return + ternary in map with ArrowFunction	• ArrowFunction + BlockStatement + ReturnStatement • ConditionalExpression with JSX elements • Missing key detection in ternary branches
2: Function Expression	return + ternary in map with regular function	• FunctionExpression + BlockStatement + ReturnStatement • ConditionalExpression handling across function types • Same logic applies to function() syntax
3: Array.from Method	return + ternary in Array.from iteration	• Array.from + checkFunctionsBlockStatement call • ConditionalExpression in different iteration contexts • Multiple iteration method support
4: Fragment Context	return + ternary within Fragment (Original Issue)	• Fragment + map + return + ternary pattern • Real-world user scenario reproduction • Issue #3925 exact replication

Valid Test Cases (1)

Case	Scenario	Corresponding Invalid Case
1: Proper Keys	return + ternary with correct key props	Invalid 1