KAFKA-18967: Added additional MetadataSchemaCheckerTool tests

[kumarlokesh]

Fixes https://issues.apache.org/jira/browse/KAFKA-18967

Added additional tests for verification of:

1. Evolution between different schemas (parent schema has version 0-1, child schema has version 0-2).
2. Fix for the infinite loop bug in FieldSpecPairIterator by verifying a schema with multiple fields.
3. Registry assignment bug fix by testing verification of schemas with nested structures.
4. Standardized command path arguments fix, ensuring both legacy and new argument formats work correctly.
5. Array types and complex nested structures.
6. Fields that have different version ranges, especially testing the comparison logic.

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