[CDF-24999]🐛 Instance space not required (#1636)

# Description

Transformation instance space is not required for destination instances


![image](https://github.com/user-attachments/assets/540539af-89bd-449d-9552-f18e6badae16)


## Changelog

- [x] Patch
- [ ] Minor
- [ ] Skip

## cdf

### Fixed

- Toolkit no longer gives a warning if the `instanceSpace` is missing in
a transformation configuration with destination set to `instances`

## templates

No changes.
