Creating a conda without a python environment does not install python into it when selecting

Testing #18731

Steps:

1. Create new conda environment
2. Pick it as the active interpreter

Expected the 'Installing python' to popup.

It didn't.

Running with it uses my global python.

```
(testNoPython1) (testNoPython1) PS D:\Source\Testing_3> whereis python.exe
C:\Users\aku91\AppData\Local\Microsoft\WindowsApps\python.exe
```