Moved auth state changed check to first thing set auth checks

This should contribute to the windows authentication issues.
Most windows devices seemed to get all the auth state messages twice.

plugins/UM3NetworkPrinting/NetworkPrinterOutputDevice.py

@@ -327,6 +327,9 @@ class NetworkPrinterOutputDevice(PrinterOutputDevice):
     ##  Set the authentication state.
     #   \param auth_state \type{AuthState} Enum value representing the new auth state
     def setAuthenticationState(self, auth_state):
+        if auth_state == self._authentication_state:
+            return  # Nothing to do here.
+
         if auth_state == AuthState.AuthenticationRequested:
             Logger.log("d", "Authentication state changed to authentication requested.")
             self.setAcceptsCommands(False)
@@ -367,9 +370,8 @@ class NetworkPrinterOutputDevice(PrinterOutputDevice):
             self._authentication_timer.stop()
             self._authentication_counter = 0
 
-        if auth_state != self._authentication_state:
-            self._authentication_state = auth_state
-            self.authenticationStateChanged.emit()
+        self._authentication_state = auth_state
+        self.authenticationStateChanged.emit()
 
     authenticationStateChanged = pyqtSignal()