[Bug Report] Conda environment not being setup correctly for ZSH

[j3soon]

Describe the bug

Conda environment setup script reports file not found error when using ZSH.

Steps to reproduce

Following the conda environment setup docs:

$ git clone [email protected]:isaac-sim/IsaacLab.git
$ cd IsaacLab
$ ln -s path_to_isaac_sim _isaac_sim
$ ./isaaclab.sh --conda
[INFO] Using default conda environment name: isaaclab
[INFO] Creating conda environment named 'isaaclab'...
...
$ conda activate isaaclab
/home/johnson/IsaacLab/_isaac_sim/setup_conda_env.sh:.:20: no such file or directory: /home/johnson/IsaacLab/setup_python_env.sh

System Info

Describe the characteristic of your environment:

• Commit: 05a2f3f
• Isaac Sim Version: 4.0.0-rc.21+4.0.13872.3e3cb0c9.gl
• OS: Ubuntu 22.04
• GPU: Quadro RTX 6000
• CUDA: 12.2
• GPU Driver: 535.183.01

Additional context

I'll open a PR for this.

Checklist

• I have checked that there is no similar issue in the repo (required)
• I have checked that the issue is not in running Isaac Sim itself and is related to the repo

Acceptance Criteria

• Merge PR Setup conda environment correctly for ZSH #707