fixed message always showing even on login fail

openbb_terminal/portfolio/brokers/degiro/degiro_model.py

@@ -471,3 +471,11 @@ class DegiroModel:
         portfolio_df.to_csv(file_path)
 
         console.print(f"Saved file: {file_path}\n")
+
+    @log_start_end(log=logger)
+    def check_session_id(self):
+        trading_api = self.__trading_api
+
+        if trading_api.connection_storage.session_id:
+            return True
+        return False

openbb_terminal/portfolio/brokers/degiro/degiro_view.py

@@ -324,7 +324,8 @@ class DegiroView:
 
         degiro_model.login()
 
-        DegiroView.__login_display_success()
+        if degiro_model.check_session_id():
+            DegiroView.__login_display_success()
 
     @staticmethod
     @log_start_end(log=logger)