### 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
String prop_name = E.name;
				if (E.usage & PROPERTY_USAGE_CATEGORY || E.usage & PROPERTY_USAGE_GROUP || E.usage & PROPERTY_USAGE_SUBGROUP) {
					continue;
				}
				if (prop_name.contains("/")) {
					continue;
				}
				highlighter->add_member_keyword_color(prop_name, member_variable_color);
			}
			List<String> clist;
			ClassDB::get_integer_constant_list(instance_base, &clist);
			for (const String &E : clist) {
				highlighter->add_member_keyword_color(E, member_variable_color);
			}
		}
		
		const Color comment_color = EDITOR_GET("text_editor/theme/highlighting/comment_color");
		List<String> comments;
		scr->get_language()->get_comment_delimiters(&comments);
		for (const String &comment : comments) {
			String beg = comment.get_slice(" ", 0);
			String end = comment.get_slice_count(" ") > 1 ? comment.get_slice(" ", 1) : String();
			highlighter->add_color_region(beg, end, comment_color, end.is_empty());
		}
		
		const Color string_color = EDITOR_GET("text_editor/theme/highlighting/string_color");
		List<String> strings;
		scr->get_language()->get_string_delimiters(&strings);
		for (const String &string : strings) {
			String beg = string.get_slice(" ", 0);