feat(usecase): add loader till response generate

[nidhigarg-bmw]

Description

Add loader element until content is loading

Why

The user needs to get informed that the content is loading

Issue

https://github.com/eclipse-tractusx/portal-frontend/issues/620

Checklist

Please delete options that are not relevant.

• [X] I have followed the contributing guidelines
• [X] I have performed a self-review of my own code
• [X] I have successfully tested my changes locally

[sonarcloud[bot]]

Quality Gate passed

Issues
0 New issues
0 Accepted issues

Measures
0 Security Hotspots
No data about Coverage
0.0% Duplication on New Code

See analysis details on SonarCloud

[evegufy]

@oyo please merge if change ok from you