Moves omni log import to later in record_demos.py (#334)

# Description

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Move omni log import after app launcher in record demos script to fix
"No module named omni.log" error

## Type of change

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- Bug fix (non-breaking change which fixes an issue)


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- [x] My changes generate no new warnings
- [ ] I have added tests that prove my fix is effective or that my
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scripts/tools/record_demos.py

@@ -35,9 +35,6 @@ import os
 import time
 import torch
 
-# Omniverse logger
-import omni.log
-
 # Isaac Lab AppLauncher
 from isaaclab.app import AppLauncher
 
@@ -86,6 +83,9 @@ simulation_app = app_launcher.app
 if "handtracking" in args_cli.teleop_device.lower():
     from isaacsim.xr.openxr import OpenXRSpec
 
+# Omniverse logger
+import omni.log
+
 # Additional Isaac Lab imports that can only be imported after the simulator is running
 from isaaclab.devices import OpenXRDevice, Se3Keyboard, Se3SpaceMouse