TEDEFO-4319 Add privacy settings and data types

[rousso]

No description provided.

[Copilot]

Pull request overview

Adds privacy-related metadata to SDK fields and introduces a preliminary (hardcoded) SDK data-type repository to support privacy masking behavior across types.

Changes:

• Extend SdkField with privacy metadata (privacyCode) and PrivacySettings (including field-id references).
• Update SdkFieldRepository to perform a second pass resolving PrivacySettings field references after all fields are loaded.
• Add SdkDataType and SdkDataTypeRepository (hardcoded defaults) to represent type-level privacy masking metadata.

Reviewed changes

Copilot reviewed 4 out of 4 changed files in this pull request and generated 3 comments.

File	Description
src/main/java/eu/europa/ted/eforms/sdk/repository/SdkFieldRepository.java	Adds a second-pass step to resolve privacy-related field references.
src/main/java/eu/europa/ted/eforms/sdk/repository/SdkDataTypeRepository.java	Introduces a hardcoded repository of data types with privacy masks (temporary until JSON exists).
src/main/java/eu/europa/ted/eforms/sdk/entity/SdkField.java	Adds privacy parsing and a PrivacySettings structure to fields.
src/main/java/eu/europa/ted/eforms/sdk/entity/SdkDataType.java	New entity capturing data-type ID and privacy mask.

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