Fixed automation bug when switching between presets in VST and VST3

examples/audio plugin demo/Source/PluginProcessor.cpp

@@ -370,7 +370,7 @@ void JuceDemoPluginAudioProcessor::setStateInformation (const void* data, int si
             // Now reload our parameters..
             for (int i = 0; i < getNumParameters(); ++i)
                 if (AudioProcessorParameterWithID* p = dynamic_cast<AudioProcessorParameterWithID*> (getParameters().getUnchecked(i)))
-                    p->setValueNotifyingHost ((float) xmlState->getDoubleAttribute (p->paramID, p->getValue()));
+                    p->setValue ((float) xmlState->getDoubleAttribute (p->paramID, p->getValue()));
         }
     }
 }

modules/juce_audio_plugin_client/VST3/juce_VST3_Wrapper.cpp

@@ -444,6 +444,9 @@ public:
                 setParamNormalized (paramPreset, static_cast<Vst::ParamValue> (pluginInstance->getCurrentProgram()) / static_cast<Vst::ParamValue> (numPrograms - 1));
         }
 
+        if (Vst::IComponentHandler* handler = getComponentHandler())
+            handler->restartComponent (Vst::kParamValuesChanged);
+
         return Vst::EditController::setComponentState (stream);
     }