Don't use dummy controllers for connections if not loading projects (#4493)

Remove the need of ControllerConnection::finalizeConnections
when not loading projects.
Fix ZynAddSubFX knob disconnection when exporting.

plugins/LadspaEffect/LadspaEffect.cpp

@@ -121,9 +121,6 @@ void LadspaEffect::changeSampleRate()
 	// the IDs of re-created controls have been saved and now need to be
 	// resolved again
 	AutomationPattern::resolveAllIDs();
-
-	// make sure, connections are ok
-	ControllerConnection::finalizeConnections();
 }
 
 

plugins/zynaddsubfx/ZynAddSubFx.cpp

@@ -645,8 +645,6 @@ void ZynAddSubFxView::toggleUI()
 			connect( model->m_remotePlugin, SIGNAL( clickedCloseButton() ),
 						m_toggleUIButton, SLOT( toggle() ) );
 		}
-
-		ControllerConnection::finalizeConnections();
 	}
 }