Fix animation editor sometimes not processing on scene change

editor/animation/animation_player_editor_plugin.cpp

@@ -70,7 +70,9 @@ void AnimationPlayerEditor::_find_player() {
 	TypedArray<Node> players = edited_scene->find_children("", "AnimationPlayer");
 
 	if (players.size() == 1) {
+		// Replicating EditorNode::_plugin_over_edit to ensure an identical setup as when selecting manually.
 		plugin->edit(players.front());
+		plugin->make_visible(true);
 	}
 }