### Godot version

v4.0.beta.custom_build [13f0158]

### System information

Windows 10

### Issue description

When doing operations (`begin_complex_operation` and `end_complex_operation`) with multiple selections in TextEdit, some of these selections don't revert upon undo. This behavior is affects some of script editor's operations, like duplicate selection and delete lines.

### Steps to reproduce

Open script editor, make multiple selections. Keep in mind what you have selected. Do duplicate selection (ctrl+shift+D). Undo (ctrl+Z). Compare the result to what you remember.

### Minimal reproduction project

N/A
return draw_control_chars;
}
void TextEdit::set_draw_tabs(bool p_enabled) {
	if (draw_tabs == p_enabled) {
		return;
	}
	draw_tabs = p_enabled;
	queue_redraw();
}
bool TextEdit::is_drawing_tabs() const {
	return draw_tabs;
}
void TextEdit::set_draw_spaces(bool p_enabled) {
	if (draw_spaces == p_enabled) {
		return;
	}
	draw_spaces = p_enabled;
	queue_redraw();
}
bool TextEdit::is_drawing_spaces() const {