Delete orphaned sync status records.

Account/Sources/Account/CloudKit/CloudKitSendStatusOperation.swift

@@ -130,13 +130,14 @@ private extension CloudKitSendStatusOperation {
 				}
 				
 				// If this happens, we have somehow gotten into a state where we have new status records
-				// but the articles didn't come back in the fetch.  Rather than crashing, we continue processing
-				// and hope that it gets cleared up later.
-				guard !statusUpdates.isEmpty else {
+				// but the articles didn't come back in the fetch.  We need to clean up those sync records
+				// and continue processing.
+				if statusUpdates.isEmpty {
+					self.database.deleteSelectedForProcessing(articleIDs) { _ in
 						done(false)
 						return
 					}
-				
+				} else {
 					articlesZone.modifyArticles(statusUpdates) { result in
 						switch result {
 						case .success:
@@ -151,6 +152,7 @@ private extension CloudKitSendStatusOperation {
 							}
 						}
 					}
+				}
 				
 			}