feat(realm-seeding-job): configure selective seeding

[Phil91]

Description

• enable selective seeding for the master realm in sharedidp to only seed the relevant two service account and the entities connected to those
• add configuration to set the default seeding configuration for the CX Central realm in centralidp and CX-Operator realm in sharedidp

Why

To support the updated logic of configuring the seeding

Issue

Refs: eclipse-tractusx/portal-backend#1172

Corresponding Backend PR

eclipse-tractusx/portal-backend#1174

Checklist

• I have followed the contributing guidelines
• I have added copyright and license headers, footers (for .md files) or files (for images)
• I have performed a self-review of my changes
• I have successfully tested my changes
• I have added comments in the default values.yaml file with helm-docs syntax ('# -- ') if relevant for installation
• I have commented my changes, particularly in hard-to-understand areas

[sonarqubecloud]

Quality Gate passed

Issues
0 New issues
0 Accepted issues

Measures
0 Security Hotspots
0.0% Coverage on New Code
0.0% Duplication on New Code

See analysis details on SonarQube Cloud