[IMPROVEMENT] Better parsing of Manifest JSON to populate Package Details

### Please confirm these before moving forward.

- [x] I have searched for my feature proposal and have not found a work-in-progress/duplicate/resolved/discarded issue.
- [x] This improvement refers to an existing feature. If you want to suggest a new feature, please use [this template](https://github.com/marticliment/WingetUI/issues/new?assignees=marticliment&labels=new-feature&projects=&template=feature-request.yml&title=%5BFEATURE+REQUEST%5D+%28Enter+your+description+here%29).
- [x] This improvement is not a bug. If you want to report a bug, please use [this template](https://github.com/marticliment/WingetUI/issues/new?assignees=marticliment&labels=bug&projects=&template=bug-issue.yml&title=%5BBUG%5D+%28Enter+your+description+here%29).

### Describe the improvement

Most information is absent from the Package Details window but can be readily accessed from the manifest JSON file. eg.

https://github.com/Weidows-projects/scoop-3rd/blob/main/bucket/psmodule-PowerShellAI.json

### Describe how this improvement could help users

Parsing more details accurately allows better understanding of the source and easier access to homepages and repositories, as seen in well-presented packages.