enhance: TerminalToolkit with performance improvements and bug fixes

[Wendong-Fan]

Description

• Replace polling-based output waiting with condition variable for efficient CPU usage
• Fix command escaping for Docker backend using shlex.quote
• Properly activate virtual environment instead of replacing python/pip commands
• Add bounded queue (10k items) with overflow handling to prevent memory exhaustion
• Fix race condition in session creation with atomic check-and-create
• Actually clone packages when cloning environment
• Improve path comparison in sanitize_command using os.path.commonpath
• Pre-compile regex patterns for better performance
• Use print() instead of logger.info() for user-facing prompts in interactive mode
• Remove unused default packages (pyautogui, plotly) from environment setup
• Fix duplicate NotFound exception handling in Docker setup

related to issue: #3611

Checklist

Go over all the following points, and put an x in all the boxes that apply.

• I have read the CONTRIBUTION guide (required)
• I have linked this PR to an issue using the Development section on the right sidebar or by adding Fixes #issue-number in the PR description (required)
• I have checked if any dependencies need to be added or updated in pyproject.toml and uv lock
• I have updated the tests accordingly (required for a bug fix or a new feature)
• I have updated the documentation if needed:
• I have added examples if this is a new feature

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✨ Finishing touches

🧪 Generate unit tests (beta)

• Create PR with unit tests
• Post copyable unit tests in a comment
• Commit unit tests in branch terminal_enhance1225

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[Wendong-Fan]

hey @fengju0213 and @Michaelsqj @nitpicker55555 , I will merge this PR first for quick fixing, let me know if there's anything we need to update