Global Null contextual filters {{ arguments.null }} show id instead of name

Problem/Motivation

Global Null token {{ arguments.null }} in contextual filter always show id instead of name.

Steps to reproduce

1. Create a view with content from indexed sources with Solr
2. Add Global Null to get taxonomy term id
3. Override title with {{ raw_arguments.null }}
4. The title always show the taxonomy term id rather than name

Proposed resolution

Remaining tasks

User interface changes

API changes

Data model changes

Release notes snippet