### 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
}
		SUBCASE("[TextEdit] paste primary") {
			
		}
		SIGNAL_UNWATCH(text_edit, "text_set");
		SIGNAL_UNWATCH(text_edit, "text_changed");
		SIGNAL_UNWATCH(text_edit, "lines_edited_from");
		SIGNAL_UNWATCH(text_edit, "caret_changed");
	}
	
	SUBCASE("[TextEdit] input") {
		SIGNAL_WATCH(text_edit, "text_set");
		SIGNAL_WATCH(text_edit, "text_changed");
		SIGNAL_WATCH(text_edit, "lines_edited_from");
		SIGNAL_WATCH(text_edit, "caret_changed");
		Array args1;
		args1.push_back(0);
		args1.push_back(0);
		Array lines_edited_args;
		lines_edited_args.push_back(args1);
		SUBCASE("[TextEdit] ui_text_newline_above") {
			text_edit->set_text("this is some test text.\nthis is some test text.");
			text_edit->select(0, 0, 0, 4);
			text_edit->set_caret_column(4);
			text_edit->add_caret(1, 4);
			text_edit->select(1, 0, 1, 4, 1);
			CHECK(text_edit->get_caret_count() == 2);
			MessageQueue::get_singleton()->flush();
			SIGNAL_DISCARD("text_set");