Fix crash

SignalServiceKit/src/Loki/API/Onion Requests/OnionRequestAPI.swift

@@ -146,9 +146,11 @@ public enum OnionRequestAPI {
             let storage = OWSPrimaryStorage.shared()
             storage.dbReadConnection.read { transaction in
                 paths = storage.getOnionRequestPaths(in: transaction)
+                if paths.count >= pathCount {
                     guardSnodes.formUnion([ paths[0][0], paths[1][0] ])
                 }
             }
+        }
         // randomElement() uses the system's default random generator, which is cryptographically secure
         if paths.count >= pathCount {
             return Promise<Path> { seal in