### Godot version

4.0.dev(2fdaf2919c03ab50f971f2d51616d4ee329d29af)

### System information

any

### Issue description

AnimationPlayer is unintentionally hidden.

https://user-images.githubusercontent.com/61938263/217088704-c1ad44d6-ef7b-4b10-b351-f9f9fa166e39.mp4


### Steps to reproduce

Select AnimationTree -> Select AnimationPlayer

### Minimal reproduction project

N/A
bottom_panel_raise->set_icon(gui_base->get_theme_icon(SNAME("ExpandBottomDock"), SNAME("EditorIcons")));
			if (gui_base->is_layout_rtl()) {
				dock_tab_move_left->set_icon(theme->get_icon(SNAME("Forward"), SNAME("EditorIcons")));
				dock_tab_move_right->set_icon(theme->get_icon(SNAME("Back"), SNAME("EditorIcons")));
			} else {
				dock_tab_move_left->set_icon(theme->get_icon(SNAME("Back"), SNAME("EditorIcons")));
				dock_tab_move_right->set_icon(theme->get_icon(SNAME("Forward"), SNAME("EditorIcons")));
			}
			help_menu->set_item_icon(help_menu->get_item_index(HELP_SEARCH), gui_base->get_theme_icon(SNAME("HelpSearch"), SNAME("EditorIcons")));
			help_menu->set_item_icon(help_menu->get_item_index(HELP_DOCS), gui_base->get_theme_icon(SNAME("ExternalLink"), SNAME("EditorIcons")));
			help_menu->set_item_icon(help_menu->get_item_index(HELP_QA), gui_base->get_theme_icon(SNAME("ExternalLink"), SNAME("EditorIcons")));
			help_menu->set_item_icon(help_menu->get_item_index(HELP_REPORT_A_BUG), gui_base->get_theme_icon(SNAME("ExternalLink"), SNAME("EditorIcons")));
			help_menu->set_item_icon(help_menu->get_item_index(HELP_SUGGEST_A_FEATURE), gui_base->get_theme_icon(SNAME("ExternalLink"), SNAME("EditorIcons")));
			help_menu->set_item_icon(help_menu->get_item_index(HELP_SEND_DOCS_FEEDBACK), gui_base->get_theme_icon(SNAME("ExternalLink"), SNAME("EditorIcons")));
			help_menu->set_item_icon(help_menu->get_item_index(HELP_COMMUNITY), gui_base->get_theme_icon(SNAME("ExternalLink"), SNAME("EditorIcons")));
			help_menu->set_item_icon(help_menu->get_item_index(HELP_ABOUT), gui_base->get_theme_icon(SNAME("Godot"), SNAME("EditorIcons")));
			help_menu->set_item_icon(help_menu->get_item_index(HELP_SUPPORT_GODOT_DEVELOPMENT), gui_base->get_theme_icon(SNAME("Heart"), SNAME("EditorIcons")));
			for (int i = 0; i < main_editor_buttons.size(); i++) {
				main_editor_buttons.write[i]->add_theme_font_override("font", gui_base->get_theme_font(SNAME("main_button_font"), SNAME("EditorFonts")));
				main_editor_buttons.write[i]->add_theme_font_size_override("font_size", gui_base->get_theme_font_size(SNAME("main_button_font_size"), SNAME("EditorFonts")));
			}
			HashSet<String> updated_textfile_extensions;
			bool extensions_match = true;
			const Vector<String> textfile_ext = ((String)(EDITOR_GET("docks/filesystem/textfile_extensions"))).split(",", false);
			for (const String &E : textfile_ext) {
				updated_textfile_extensions.insert(E);
				if (extensions_match && !textfile_extensions.has(E)) {
					extensions_match = false;
				}
			}