### Godot version

4.0beta14

### System information

windows 10, gles 3, nvidia graphics

### Issue description

on beta 14, you cannot drag anymore a node from the scene tree to the script editor to get the node path or the ```@onready``` var snippet

### Steps to reproduce

Using beta 14, try to drag a node from the tree inside the script editor and see the arrow cursor turn into a circular white and red stop sign icon.

Note that this happens even if the script belongs to the currently opened scene.

### Minimal reproduction project

N/A
if (p_idx < 4) { 
		_edit_option(breakpoints_menu->get_item_id(p_idx));
	} else {
		code_editor->goto_line(breakpoints_menu->get_item_metadata(p_idx));
		code_editor->get_text_editor()->call_deferred(SNAME("center_viewport_to_caret")); 
	}
}
void ScriptTextEditor::_breakpoint_toggled(int p_row) {