Fixes typo in isaaclab.bat (#3272)

This PR fixes typo in isaaclab.bat

Should be `!allArgs!` instead of `!allArgs1`

## Checklist

- [x] I have run the [`pre-commit` checks](https://pre-commit.com/) with
`./isaaclab.sh --format`
- [ ] I have made corresponding changes to the documentation
- [x] My changes generate no new warnings
- [ ] I have added tests that prove my fix is effective or that my
feature works
- [ ] I have updated the changelog and the corresponding version in the
extension's `config/extension.toml` file
- [x] I have added my name to the `CONTRIBUTORS.md` or my name already
exists there

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isaaclab.bat

@@ -547,7 +547,7 @@ if "%arg%"=="-i" (
             set "skip=1"
         )
     )
-    !isaacsim_exe! --ext-folder %ISAACLAB_PATH%\source !allArgs1
+    !isaacsim_exe! --ext-folder %ISAACLAB_PATH%\source !allArgs!
     goto :end
 ) else if "%arg%"=="--sim" (
     rem run the simulator exe provided by Isaac Sim
@@ -562,7 +562,7 @@ if "%arg%"=="-i" (
             set "skip=1"
         )
     )
-    !isaacsim_exe! --ext-folder %ISAACLAB_PATH%\source !allArgs1
+    !isaacsim_exe! --ext-folder %ISAACLAB_PATH%\source !allArgs!
     goto :end
 ) else if "%arg%"=="-n" (
     rem run the template generator script