GenericAudioProcessorEditor: Fix issue where the ChoiceParameterComponent would re-set the parameter value in response to a parameter value change

modules/juce_audio_processors/processors/juce_GenericAudioProcessorEditor.cpp

@@ -293,7 +293,7 @@ private:
             index = roundToInt (getParameter().getValue() * (float) (parameterValues.size() - 1));
         }
 
-        box.setSelectedItemIndex (index);
+        box.setSelectedItemIndex (index, dontSendNotification);
     }
 
     void boxChanged()