fix: Key validation failure

src/UserInterface/AccountConnector.cpp

@@ -248,6 +248,7 @@ bool CAccountConnector::__AuthState_RecvKeyComplete()
 
 	cipher.SetSessionToken(session_token);
 	cipher.SetActivated(true);
+	DecryptPendingRecvData();
 
 	Tracen("Secure channel established - encryption activated");
 	return true;

src/UserInterface/GuildMarkDownloader.cpp

@@ -470,6 +470,7 @@ bool CGuildMarkDownloader::__LoginState_RecvKeyComplete()
 
 	cipher.SetSessionToken(session_token);
 	cipher.SetActivated(true);
+	DecryptPendingRecvData();
 
 	Tracen("SECURE CIPHER ACTIVATED");
 	return true;

src/UserInterface/GuildMarkUploader.cpp

@@ -430,6 +430,7 @@ bool CGuildMarkUploader::__LoginState_RecvKeyComplete()
 
 	cipher.SetSessionToken(session_token);
 	cipher.SetActivated(true);
+	DecryptPendingRecvData();
 
 	Tracen("SECURE CIPHER ACTIVATED");
 	return true;

src/UserInterface/PythonNetworkStreamPhaseHandShake.cpp

@@ -205,6 +205,7 @@ bool CPythonNetworkStream::RecvKeyComplete()
 
 	cipher.SetSessionToken(decrypted_token);
 	cipher.SetActivated(true);
+	DecryptPendingRecvData();
 
 	Tracen("SECURE CIPHER ACTIVATED");
 	return true;