Remove space before period in cross-reference groups

Tightened template formatting to ensure no space appears
between the last reference and the period.

Now: Genesis 2:5.
Not: Genesis 2:5 .

🤖 Generated with [Claude Code](https://claude.com/claude-code)

Co-Authored-By: Claude <noreply@anthropic.com>

kjvstudy_org/templates/chapter.html

@@ -271,10 +271,7 @@ hr::before {
                 <input type="checkbox" id="sn-{{ verse.verse }}-xrefs" class="margin-toggle"/>
                 <span class="sidenote">
                     {% for group in commentary.cross_reference_groups %}
-                        <strong>{{ group.description }}:</strong>
-                        {% for ref in group.refs %}
-                            <a href="{{ ref.url }}">{{ ref.text }}</a>{% if not loop.last %}; {% endif %}
-                        {% endfor %}.{% if not loop.last %}<br>{% endif %}
+                        <strong>{{ group.description }}:</strong> {% for ref in group.refs %}<a href="{{ ref.url }}">{{ ref.text }}</a>{% if not loop.last %}; {% endif %}{% endfor %}.{% if not loop.last %}<br>{% endif %}
                     {% endfor %}
                 </span>
             {% endif %}