Fix nesting of ULs

A <ul> tag is only allowed to have <li> tags inside it, so the nested <ul> tag needs to be inside the <li> tag.

Contributes to issue CURA-6434.

plugins/SliceInfoPlugin/example_data.html

@@ -40,7 +40,8 @@
 
     <h3>Model Information:</h3>
     <ul>
-        <li><b>Model 1</b></li>
+        <li>
+            <b>Model 1</b>
             <ul>
                 <li><b>Hash:</b> b72789b9b...</li>
                 <li><b>Transformation:</b> [transformation matrix]</li>
@@ -49,6 +50,7 @@
                 <li><b>Helper Mesh Type:</b> support mesh</li>
                 <li>...</li>
             </ul>
+        </li>
     </ul>
 
     <h3>Print Times:</h3>