* feat(server): add utility functions for CallToolResult
CallToolResult.Companion.ok and CallToolResult.Companion.error
* test(server): add unit test for `CallToolResult.Companion.ok`and `CallToolResult.Companion.error`
* feat: update api dump
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Co-authored-by: Leonid Stashevsky <e5l@users.noreply.github.com>