Fix: pending DCC label (EXPOSUREAPP-7848)

[AlexanderAlferov]

Fix incorrect label for DCC on pending page.

Aligned with QA: switched from overall consent (isAdvancedConsentGiven) to precise DCC consent flag (isDccConsentGiven).
This consent is given in RequestCovidCertificateFragment:

agreeButton.setOnClickListener { viewModel.onAgreeGC() }
disagreeButton.setOnClickListener { viewModel.onDisagreeGC() }

How to test:

1. Install the app
2. Complete onboarding
3. Scan pending PCR test
4. On COVID-Testsecrtificate press "Testzertifikat Anfordern" button
5. Check that on next page bottom icon item (with QR-code icon) is in this state:

6. Delete test
7. Scan pending PCR test
8. On COVID-Testsecrtificate press "Nein Danke" button
9. Check that on next page bottom icon item (with QR-code icon) is in this state:

[sonarcloud]

Kudos, SonarCloud Quality Gate passed!

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