Fix dataspace clone function

Type of change

• Bug Fix
• Feature

Does this introduce a change in the core logic?

• [No]

Does this introduce a change in the cloud provider implementation, if so which cloud?

• AWS
• Azure
• GCP
• IBM

Updates description?

The Postgresql schema of a dataspace was not properly cloned when copied from an other dataspaces.

The following fixes are provided in this Merge Request

• Copy the foreign keys
• clone views and triggers
• cloning with multi level path
• ensure order in view creation