Removes instances of IsaacSim SimulationContext

[pascal-roth]

Description

Cleans up new util functions

Type of change

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

Checklist

• I have read and understood the contribution guidelines
• I have run the pre-commit checks with ./isaaclab.sh --format
• I have made corresponding changes to the documentation
• 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
• I have added my name to the CONTRIBUTORS.md or my name already exists there

[greptile-apps]

Greptile Summary

• Modernized imports by switching from import typing to specific imports (Literal, Callable, Iterable) and added Literal["x", "y", "z"] type hint for axis parameter
• Replaced get_carb_setting() wrapper function with direct carb_setting.get() call and removed unused import
• Removed parameter names from multiple docstring Args sections (e.g., attaching_early:, stage:, usd_path:), which is inconsistent with codebase documentation standards used in other files like nucleus.py and actuator_base.py

Confidence Score: 4/5

• This PR is safe to merge with minor style inconsistencies
• The code changes are functionally correct (improved imports, removed wrapper function). The main issue is documentation style inconsistency where parameter names were removed from docstrings, deviating from the codebase standard. No logic errors or security issues.
• The docstring changes in stage.py should be reviewed to ensure consistency with project documentation standards

Important Files Changed

Filename	Overview
source/isaaclab/isaaclab/sim/utils/stage.py	Cleaned up imports and replaced wrapper function call, but removed parameter names from docstrings inconsistently with codebase standards

Sequence Diagram

sequenceDiagram
    participant User
    participant Stage
    participant CarbSettings
    participant PhysX
    participant USDContext
    
    User->>Stage: attach_stage_to_usd_context(attaching_early)
    Stage->>Stage: Check Isaac Sim version
    Stage->>Stage: Check if stage is in memory
    Stage->>PhysX: attach_stage(stage_id)
    Stage->>CarbSettings: get("/physics/fabricUpdateTransformations")
    CarbSettings-->>Stage: is_rendering_enabled
    alt rendering enabled
        Stage->>USDContext: attach_stage_with_callback(stage_id)
        Stage->>PhysX: attach_stage(stage_id)
    end

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[greptile-apps]

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[greptile-apps]

style: parameter name missing in docstring - should be attaching_early: to match codebase standard (see nucleus.py or actuator_base.py for examples)

Suggested change

	Whether to attach the stage to the usd context before stage is created. Defaults to False.
	attaching_early: Whether to attach the stage to the usd context before stage is created. Defaults to False.

[greptile-apps]

style: parameter name missing - should be stage: to match codebase standard

Suggested change

	The stage to set temporarily.
	stage: The stage to set temporarily.

[greptile-apps]

style: parameter name missing - should be predicate: to match codebase standard

Suggested change

	predicate: user defined function that takes a prim_path as input and returns True/False if the prim
	predicate: user defined function that takes a prim_path as input and returns True/False if the prim

[greptile-apps]

style: parameter name missing - should be usd_path: to match codebase standard

Suggested change

	usd_path: Path to the USD file to open.
	usd_path: Path to the USD file to open.

[greptile-apps]

style: parameter name missing - should be usd_path: to match codebase standard

Suggested change

	usd_path: File path to save the current stage to
	usd_path: File path to save the current stage to

[greptile-apps]

style: parameter names missing - should be path: and parent: to match codebase standard

Suggested change

	path: path we want to check
	parent: Parent prim for the given path. Defaults to None.
	path: path we want to check
	parent: Parent prim for the given path. Defaults to None.