Fix friend request acceptance bug

SignalServiceKit/src/Loki/Extensions/TSOutgoingMessage.swift

@@ -2,7 +2,7 @@
 @objc public extension TSOutgoingMessage {
     
     /// Loki: This is a message used to establish sessions
-    @objc public static func createEmptyOutgoingMessage(inThread thread: TSThread) -> TSOutgoingMessage {
+    @objc public static func createEmptyOutgoingMessage(inThread thread: TSThread) -> EphemeralMessage {
-        return TSOutgoingMessage(in: thread, messageBody: "", attachmentId: nil)
+        return EphemeralMessage(in: thread, messageBody: "", attachmentId: nil)
     }
 }

SignalServiceKit/src/Loki/Messages/OWSEphemeralMessage.h

@@ -0,0 +1,10 @@
+#import "TSOutgoingMessage.h"
+
+NS_ASSUME_NONNULL_BEGIN
+
+NS_SWIFT_NAME(EphemeralMessage)
+@interface OWSEphemeralMessage : TSOutgoingMessage
+
+@end
+
+NS_ASSUME_NONNULL_END

SignalServiceKit/src/Loki/Messages/OWSEphemeralMessage.m

@@ -0,0 +1,7 @@
+#import "OWSEphemeralMessage.h"
+
+@implementation OWSEphemeralMessage
+
+- (BOOL)shouldBeSaved { return NO; }
+
+@end