fix(IdP): add delete for managed IdP's

[lavanya-bmw]

Description

Added delete option for newly created "Managed IdPs"

Why

To enhance Managed IdP's to support with deleting of newly created Managed IdP

Issue

https://github.com/eclipse-tractusx/portal-frontend/issues/757

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