fix: deny delete status from filters

Author: borosr

openmeter/billing/stdinvoice.go

@@ -217,7 +217,14 @@ type InvoiceShortStatus string
 // Values returns all valid short status values except the gathering, derived from the extended statuses.
 // Satisfies expand.Expandable[InvoiceShortStatus] and the FromAPIStatusFilter constraint.
 func (s InvoiceShortStatus) Values() []InvoiceShortStatus {
-	return lo.Uniq(lo.Map(lo.Without(validStatuses, StandardInvoiceStatusGathering), func(st StandardInvoiceStatus, _ int) InvoiceShortStatus {
+	var unsupportedStatuses = []StandardInvoiceStatus{
+		StandardInvoiceStatusGathering,
+		StandardInvoiceStatusDeleteInProgress,
+		StandardInvoiceStatusDeleteSyncing,
+		StandardInvoiceStatusDeleteFailed,
+		StandardInvoiceStatusDeleted,
+	}
+	return lo.Uniq(lo.Map(lo.Without(validStatuses, unsupportedStatuses...), func(st StandardInvoiceStatus, _ int) InvoiceShortStatus {
 		return InvoiceShortStatus(st.ShortStatus())
 	}))
 }