Fix lazy execution of default argument in dictGetOrDefault for RangeHashedDictionary

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• Bug Fix (user-visible misbehavior in an official stable release)

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Fix lazy execution of default argument in dictGetOrDefault for RangeHashedDictionary that could lead to nullptr dereference on bad column types in FunctionsConversion. Closes #56661.

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Check name	Description	Status
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[clickhouse-ci]

This is an automatic comment. The PR descriptions does not match the template.

Please, edit it accordingly.

The error is: Changelog entry required for category 'Bug Fix (user-visible misbehavior in an official stable release)'