### Godot version

v4.2.dev4.official [549fcce5f]

### System information

Windows 10

### Issue description

`scene/main/node.cpp:1757 - Parameter "p_node" is null.` when attempting to type after using find function. Does not happen in 4.2dev3.

https://github.com/godotengine/godot/assets/3820082/4a2818f7-cc3b-4b46-a0b1-5bc6a85b4abc


### Steps to reproduce

1) Open any script in the script editor
2) Ctrl+F to select some text that exists in the script
3) Hit escape to re-focus the script editor without placing the caret
4) Attempt to type



### Minimal reproduction project

[find-mrp.zip](https://github.com/godotengine/godot/files/12555561/find-mrp.zip)

queue_redraw();
			}
		} break;
		case NOTIFICATION_DRAG_BEGIN: {
			drag_action = true;
		} break;
		case NOTIFICATION_DRAG_END: {
			if (is_drag_successful()) {
				if (selection.drag_attempt) {
					selection.drag_attempt = false;
					if (is_editable() && !Input::get_singleton()->is_key_pressed(Key::CTRL)) {
						selection_delete();
					} else if (deselect_on_focus_loss_enabled) {
						deselect();
					}
				}
			} else {
				selection.drag_attempt = false;
			}
			drag_action = false;
			drag_caret_force_displayed = false;
		} break;
	}
}
void LineEdit::copy_text() {
	if (selection.enabled && !pass) {
		DisplayServer::get_singleton()->clipboard_set(get_selected_text());
	}
}
void LineEdit::cut_text() {