VSN-437 : Simplifying indirect prepared passenger specifications to correct data filtering behaviour.

Additional Changes Included in This MR

1. Fixes

Fix: Sorting Details Attribution

• Corrected name attributions, updating labels from French to English.

Fix: Address Mapping

• Fixed the mapping of the address property to ensure proper data retrieval.

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2. Features

Feature: Passenger Mapping

• Added mapping for newly introduced attributes related to establishment name and passenger address.

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3. Refactoring

Refactor: Passenger DTO

• Updated the Passenger Response DTO to include establishment name and address directly instead of relying on nested structures.

Refactor: Passenger Specifications

• Adapted the previous Address Specification to work with the newly introduced direct address attribute, simplifying filtering logic.

Additional Backend Changes

1. Specifications

Feature: New Establishment Specification

• Added a new specification to support filtering based on the newly introduced establishment field.

2. Mapping Fixes

Fix: Establishment sort-by Mapping

• Corrected the mapping between the request's establishment attribute and the corresponding entity attribute to ensure accurate sorting and querying.

3. Documentation

Documentation: Changelog Update

• Updated the project changelog to reflect recent changes in passenger preparation, mapping logic, and specifications.

4. Build Configuration

Build: Maven Release Update

• Updated the pom.xml to switch from the common snapshot version to the release version for the current module.

Closes VSN-437