pylance fixes and terminal plugin launching

main.py

@@ -1337,7 +1337,7 @@ class MainApplication(QMainWindow):
 
     def terminal_gui(self):
         if self.terminal is None or not self.terminal.isVisible():
-            self.terminal = TerminalWindow(self)
+            self.terminal = TerminalWindow(self, self.plugin_manager)
             self.terminal.show()
 
     def update_optode_positions(self):