fix vst params inside carla-plugin

source/carla-plugin

@@ -383,7 +383,7 @@ class PluginHost(object):
 
     # -------------------------------------------------------------------
 
-    def get_parameter_text(self, pluginId, parameterId, value):
+    def get_parameter_text(self, pluginId, parameterId):
         return ""
 
     def get_program_name(self, pluginId, programId):

source/carla_widgets.py

@@ -264,7 +264,7 @@ class PluginParameter(QWidget):
             self.ui.sb_control.setVisible(False)
             self.ui.sb_channel.setVisible(False)
 
-        if pHints & PARAMETER_USES_CUSTOM_TEXT:
+        if pHints & PARAMETER_USES_CUSTOM_TEXT and not gCarla.isPlugin:
             self.ui.widget.setTextCallback(self._textCallBack)
 
         self.ui.widget.updateAll()