HASI-000 allow searching only published data

[tainguyenbui]

## Description
Creates new functions for searching only published data and retrieving specific dataset versions

Changes

• Creates new function for searching only published data
• Creates new function for getting latest published dataset version
• Creates new function for getting draft dataset version
• Update unit tests

## Tests

• Unit tests
• Manual tests

## Checklist
[x] The project builds
[x] The project passes lint checks
[x] The project passes format checks
[x] The project passes unit tests
[x] I've manually tested the functionality

## Screenshots

## Additional information