GH-1697 always stale files tolerate errors if a local copy is present

This fixes the situation when liteloader snapshot site is broken
and there's an older local snapshot already present.

api/logic/net/NetAction.h

@@ -29,7 +29,8 @@ enum JobStatus
 	Job_InProgress,
 	Job_Finished,
 	Job_Failed,
-	Job_Aborted
+	Job_Aborted,
+	Job_Failed_Proceed
 };
 
 typedef std::shared_ptr<class NetAction> NetActionPtr;