Fix for responding to Project Key values in the REST API

[harimkang]

Modify to support new project REST API (Geti-1.8.0-on_prem) keys
Related Issue: https://jira.devtools.intel.com/browse/CVS-116394

# Refer to web_ui/src/core/projects/dtos/project.interfaces.ts
export interface ProjectDTO extends ProjectCommon {
    creation_time: string;
    id: string;
    name: string;
    datasets: DatasetDTO[];
    pipeline: {
        connections: ConnectionDTO[];
        tasks: TaskDTO[];
    };
    performance: PerformanceDTO;
    thumbnail: string;
    storage_info?: { size: number } | Record<string, never>;  # New added in Geti-1.8.0
}

[harimkang]

If I'm correct, Geti-1.8 is related to geti-sdk-1.8.
However, this does not appear to be reflected in pypi and geti yet.
Could you please confirm that the target of this PR is the main branch?