Part: When Joining two (or more) Bodies (objects) the resulting Join is not replacing the position of the bodies in the tree

### Is there an existing issue for this?

- [X] I have searched the existing issues

### Problem description

When Joining two (or more) Bodies (objects) the resulting Join is not replacing the position of the bodies in the tree :

Instead - of doing this:

The same for "Compound".

However - "Fusion" does it :

### Full version info

```shell
OS: Windows 11 build 26100
Word size of FreeCAD: 64-bit
Version: 1.1.0dev.39057 (Git)
Build type: Release
Branch: main
Hash: 3be681ef62bf82d32eb1f1935d99e83c48e48da3
Python 3.11.9, Qt 5.15.13, Coin 4.0.3, Vtk 9.2.6, OCC 7.7.2
Locale: English/United States (en_US) [ OS: Danish/Denmark (da_DK) ]
Stylesheet/Theme/QtStyle: OpenDark.qss/FreeCAD Classic/Qt default
Installed mods:
* A2plus 0.4.65
* CfdOF 1.27.4
* Defeaturing 1.2.2
* lattice2 1.0.0
* Manipulator 1.5.7
* MeshRemodel 1.9.23
* OpenDark 2024.3.13
* OpticsWorkbench 1.0.18
* QuickMeasure 2022.10.28
* sheetmetal 0.5.3
```

### Subproject(s) affected?

Part

### Anything else?

_No response_

### Code of Conduct

- [X] I agree to follow this project's Code of Conduct