Addressed an issue where the Signature Certificate report incorrectly displayed "Document signed" for "Read and Sign" envelopes. Added a new resource key, `DocumentSignedRaC`, with translations ("Read and confirmed" / "Gelesen und bestätigt") to resolve this.
Updated `ItemStatusTranslated` in `ReportItem.vb` to use the new key for "Read and Sign" envelopes (`EnvelopeTypeId == 2`) while retaining existing behavior for other envelope types. Leveraged `Envelope.IsReadAndConfirm()` to determine envelope type.
Pending tasks include adding the new resource key to resource files and updating `Model.Designer.cs` with a strongly-typed property. Testing instructions provided to verify correct label behavior.
