### Godot version

4.0.beta9

### System information

Linux x86_64

### Issue description

The default Next Script / Previous Script shortcuts insert angle brackets into code when switching scripts.
Presumably this affects all "modifier + printable character" shortcuts.

Workaround for next/prev script: change shortcuts to ctrl-pgup and ctrl-pgdn

### Steps to reproduce

Editor Settings > Shortcuts > ensure that Next Script / Previous Script are set to defaults.
Open any script in the script editor.
Press ctrl-shift-comma or ctrl-shift-period.

### Minimal reproduction project

N/A
menu_hb->add_spacer();
	site_search = memnew(Button);
	site_search->set_flat(true);
	site_search->set_text(TTR("Online Docs"));
	site_search->connect("pressed", callable_mp(this, &ScriptEditor::_menu_option).bind(SEARCH_WEBSITE));
	menu_hb->add_child(site_search);
	site_search->set_tooltip_text(TTR("Open Godot online documentation."));
	help_search = memnew(Button);
	help_search->set_flat(true);
	help_search->set_text(TTR("Search Help"));
	help_search->connect("pressed", callable_mp(this, &ScriptEditor::_menu_option).bind(SEARCH_HELP));
	menu_hb->add_child(help_search);
	help_search->set_tooltip_text(TTR("Search the reference documentation."));
	menu_hb->add_child(memnew(VSeparator));
	script_back = memnew(Button);
	script_back->set_flat(true);
	script_back->connect("pressed", callable_mp(this, &ScriptEditor::_history_back));
	menu_hb->add_child(script_back);
	script_back->set_disabled(true);
	script_back->set_tooltip_text(TTR("Go to previous edited document."));
	script_forward = memnew(Button);
	script_forward->set_flat(true);
	script_forward->connect("pressed", callable_mp(this, &ScriptEditor::_history_forward));
	menu_hb->add_child(script_forward);
	script_forward->set_disabled(true);
	script_forward->set_tooltip_text(TTR("Go to next edited document."));
	tab_container->connect("tab_changed", callable_mp(this, &ScriptEditor::_tab_changed));
	erase_tab_confirm = memnew(ConfirmationDialog);
	erase_tab_confirm->set_ok_button_text(TTR("Save"));
	erase_tab_confirm->add_button(TTR("Discard"), DisplayServer::get_singleton()->get_swap_cancel_ok(), "discard");