### Godot version

eaf306e0b

### System information

ArchLinux x11

### Issue description

Creating points on a path3d doesnt work.

### Steps to reproduce

- Create path3d
- Create a new curve resource
- Click the add point button
- Click anywhere
- No points!

### Minimal reproduction project

‮
srt->set_v_size_flags(Control::SIZE_EXPAND_FILL);
	top_split->add_child(srt);
	srt->add_theme_constant_override("separation", 0);
	tab_preview_panel = memnew(Panel);
	tab_preview_panel->set_size(Size2(100, 100) * EDSCALE);
	tab_preview_panel->hide();
	tab_preview_panel->set_self_modulate(Color(1, 1, 1, 0.7));
	gui_base->add_child(tab_preview_panel);
	tab_preview = memnew(TextureRect);
	tab_preview->set_stretch_mode(TextureRect::STRETCH_KEEP_ASPECT_CENTERED);
	tab_preview->set_size(Size2(96, 96) * EDSCALE);
	tab_preview->set_position(Point2(2, 2) * EDSCALE);
	tab_preview_panel->add_child(tab_preview);
	tabbar_panel = memnew(PanelContainer);
	tabbar_panel->add_theme_style_override("panel", gui_base->get_theme_stylebox(SNAME("tabbar_background"), SNAME("TabContainer")));
	srt->add_child(tabbar_panel);
	tabbar_container = memnew(HBoxContainer);
	tabbar_panel->add_child(tabbar_container);
	scene_tabs = memnew(TabBar);
	scene_tabs->set_select_with_rmb(true);
	scene_tabs->add_tab("unsaved");
	scene_tabs->set_tab_close_display_policy((TabBar::CloseButtonDisplayPolicy)EDITOR_GET("interface/scene_tabs/display_close_button").operator int());
	scene_tabs->set_max_tab_width(int(EDITOR_GET("interface/scene_tabs/maximum_width")) * EDSCALE);
	scene_tabs->set_drag_to_rearrange_enabled(true);
	scene_tabs->connect("tab_changed", callable_mp(this, &EditorNode::_scene_tab_changed));
	scene_tabs->connect("tab_button_pressed", callable_mp(this, &EditorNode::_scene_tab_script_edited));
	scene_tabs->connect("tab_close_pressed", callable_mp(this, &EditorNode::_scene_tab_closed).bind(SCENE_TAB_CLOSE));
	scene_tabs->connect("tab_hovered", callable_mp(this, &EditorNode::_scene_tab_hovered));
	scene_tabs->connect("mouse_exited", callable_mp(this, &EditorNode::_scene_tab_exit));
	scene_tabs->connect("gui_input", callable_mp(this, &EditorNode::_scene_tab_input));