Fix delete pin logic to remove credential 1st (#67)

Author: chrisfisher

Authsignal.podspec

@@ -1,6 +1,6 @@
 Pod::Spec.new do |s|
   s.name             = 'Authsignal'
-  s.version          = '2.2.2'
+  s.version          = '2.2.3'
   s.summary          = 'The Authsignal SDK for iOS'
 
   s.homepage         = 'https://github.com/authsignal/authsignal-ios'

Sources/Authsignal/AuthsignalInApp.swift

@@ -181,12 +181,16 @@ public class AuthsignalInApp {
   }
 
   public func deletePin(username: String) async -> AuthsignalResponse<Bool> {
-    pinManager.deletePin(username: username)
+    let removeCredentialResponse = await removeCredential(username: username)
 
-    return await removeCredential(username: username)
+    if removeCredentialResponse.error == nil, removeCredentialResponse.data == true {
+      pinManager.deletePin(username: username)
+    }
+    
+    return removeCredentialResponse
   }
 
-  public func getAllUsernames() async -> AuthsignalResponse<[String]> {
+  public func getAllPinUsernames() async -> AuthsignalResponse<[String]> {
     let usernames = pinManager.getAllUsernames()
 
     return AuthsignalResponse(data: usernames)