remove previousZoomValue assignement from constructor

src/app/ModuleBrowser.cpp

@@ -149,7 +149,6 @@ struct ModelBox : widget::OpaqueWidget {
 		// Approximate size as 10HP before we know the actual size.
 		// We need a nonzero size, otherwise the parent widget will consider it not in the draw bounds, so its preview will not be lazily created.
 		updateZoomLevel();
-		previousZoomValue = settings::moduleBrowserZoom;
 	}
 
 	void updateZoomLevel() {