fix: correct indentation in utils.py and add docker compose validation

[deepakpanda93]

Describe the issue this Pull Request addresses

This PR addresses two issues:

• Python Indentation Error : Fixed inconsistent indentation (mixed tabs and spaces) in utils.py which caused an IndentationError at runtime.
• Docker Compose Compatibility : Added a validation function in the shell script to dynamically detect and use the correct Docker Compose command (docker compose or docker-compose) based on availability.

Summary and Changelog

• Fixed indentation in /opt/notebooks/utils.py to use 4-space indentation consistently.
• Added a validation function in the shell script to dynamically detect and use the correct Docker Compose command (docker compose or docker-compose) based on availability.

Impact

None

Risk Level

none

Documentation Update

None required.

Contributor's checklist

• Read through contributor's guide
• Enough context is provided in the sections above
• Adequate tests were added if applicable

[hudi-bot]

CI report:

• 2233a35 Azure: SUCCESS

Bot commands

@hudi-bot supports the following commands:

• @hudi-bot run azure re-run the last Azure build

[rangareddy]

This PR is clean and ready to go.