Detailed project page showing Server error 500

### Current Behavior

If i go to the detailed project page of a generated project the browser reports an server error 500 while try to accessing the following url:
`GET https://BASE_URL/dependency-track/backend/api/v1/dependencyGraph/project/48d55ea4-39bf-4769-86c7-ee3ce43e66ab/directDependencies 500 (Server Error)`

It also mentiones a few errors in the browser console after the request:

Tested also with Edge - same behaviour
It seems that the dependencyGraph path isn't availabe

### Steps to Reproduce

1. Login to dependency-Track
2. Click on created project
3. Error in UI shows up

### Expected Behavior

1. Login to dependency-Track
2. Click on created project
3. No Error in UI shows up

### Dependency-Track Frontend Version

4.8.0

### Browser

Google Chrome

### Browser Version

115.0.5790.171

### Operating System

Windows

### Checklist

- [X] I have read and understand the [contributing guidelines](https://github.com/DependencyTrack/dependency-track/blob/master/CONTRIBUTING.md#filing-issues)
- [X] I have checked the [existing issues](https://github.com/DependencyTrack/frontend/issues) for whether this defect was already reported