Fix typo mistake in comments and method params

[oleksandr-popov]

After first analyze source code I found some mistake in typo with IDE spellcheck. I just make it after found mistake in interface McpServer

Motivation and Context

Fix typo errors. No imponent on logic

How Has This Been Tested?

No need more tests. Run exists tests.

Breaking Changes

No break changes

Types of changes

• Bug fix (non-breaking change which fixes an issue)
• New feature (non-breaking change which adds functionality)
• Breaking change (fix or feature that would cause existing functionality to change)
• Documentation update

Checklist

• I have read the MCP Documentation
• My code follows the repository's style guidelines
• New and existing tests pass locally
• I have added appropriate error handling
• I have added or updated documentation as needed

Additional context

I found that in interface MPCServer on line 623 (method tool) in JavaDocs contain @link to not exist ToolRegistration entity.
Understand that it's referrer to SyncToolRegistration and AsyncToolRegistration, but it better to contain link to existing entity in code.