### 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)

if (!caret_blink_enabled && p_property.name == "caret_blink_interval") {
		p_property.usage = PROPERTY_USAGE_NO_EDITOR;
	}
}
void LineEdit::_bind_methods() {
	ClassDB::bind_method(D_METHOD("_text_changed"), &LineEdit::_text_changed);
	ClassDB::bind_method(D_METHOD("set_horizontal_alignment", "alignment"), &LineEdit::set_horizontal_alignment);
	ClassDB::bind_method(D_METHOD("get_horizontal_alignment"), &LineEdit::get_horizontal_alignment);
	ClassDB::bind_method(D_METHOD("clear"), &LineEdit::clear);
	ClassDB::bind_method(D_METHOD("select", "from", "to"), &LineEdit::select, DEFVAL(0), DEFVAL(-1));
	ClassDB::bind_method(D_METHOD("select_all"), &LineEdit::select_all);
	ClassDB::bind_method(D_METHOD("deselect"), &LineEdit::deselect);
	ClassDB::bind_method(D_METHOD("has_selection"), &LineEdit::has_selection);
	ClassDB::bind_method(D_METHOD("get_selected_text"), &LineEdit::get_selected_text);
	ClassDB::bind_method(D_METHOD("get_selection_from_column"), &LineEdit::get_selection_from_column);
	ClassDB::bind_method(D_METHOD("get_selection_to_column"), &LineEdit::get_selection_to_column);
	ClassDB::bind_method(D_METHOD("set_text", "text"), &LineEdit::set_text);
	ClassDB::bind_method(D_METHOD("get_text"), &LineEdit::get_text);
	ClassDB::bind_method(D_METHOD("get_draw_control_chars"), &LineEdit::get_draw_control_chars);
	ClassDB::bind_method(D_METHOD("set_draw_control_chars", "enable"), &LineEdit::set_draw_control_chars);
	ClassDB::bind_method(D_METHOD("set_text_direction", "direction"), &LineEdit::set_text_direction);
	ClassDB::bind_method(D_METHOD("get_text_direction"), &LineEdit::get_text_direction);