Aggregate deployment identifier for all systems

[dragobt]

Description We want to aggregate a deployment identifier for all systems

Changes proposed in this pull request:

• Extend system fetcher e2e test

Related issue(s)

• ...

Pull Request status

• [ ] Implementation
• [ ] Unit tests
• [x] Integration tests
• [x] chart/compass/values.yaml is updated
• [ ] Mocks are regenerated, using the automated script

[kyma-bot]

[APPROVALNOTIFIER] This PR is APPROVED

This pull-request has been approved by: dzahariev

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Needs approval from an approver in each of these files: - ~~[tests/system-fetcher/OWNERS](https://github.com/kyma-incubator/compass/blob/main/tests/system-fetcher/OWNERS)~~ [dzahariev] Approvers can indicate their approval by writing `/approve` in a comment Approvers can cancel approval by writing `/approve cancel` in a comment