fix: simplify cli run

[cristipufu]

Description

This PR simplifies the CLI run functionality by removing intermediate abstraction layers and inlining the execution logic directly into the main run command. The refactoring eliminates two helper functions (python_run_middleware and run_core) and their associated return type handling.

[Copilot]

Pull Request Overview

This PR simplifies the CLI run functionality by removing intermediate abstraction layers and inlining the execution logic directly into the main run command. The refactoring eliminates two helper functions (python_run_middleware and run_core) and their associated return type handling.

• Removes python_run_middleware and run_core functions to reduce code complexity
• Inlines execution logic directly into the run command function
• Simplifies error handling by using console methods instead of middleware return patterns

Reviewed Changes

Copilot reviewed 2 out of 2 changed files in this pull request and generated 3 comments.

File	Description
src/uipath/_cli/cli_run.py	Removes helper functions and inlines execution logic into main run command
src/uipath/_cli/_runtime/_contracts.py	Minor formatting change to traceback display

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