Poly diff short double names reported

[DavidVujic]

Description

The command targeting CI deploys, reports double names for a single changed project: the folder name, and the actual project name.

This PR will make sure the folder name is used.

Motivation and Context

Fixes #68

How Has This Been Tested?

1. Changed one or more components, change something in the actual project file (such as the pyproject.toml itself)
2. ran poetry poly diff --short
3. maked sure only one project is listed.

Types of changes

• Bug fix (non-breaking change which fixes an issue)
• New feature (non-breaking change which adds functionality)
• Breaking change (fix or feature that would cause existing functionality to not work as expected)

Checklist:

• I have read the code of conduct.
• I have read the contributing guide.
• I have updated the documentation accordingly (if applicable).