Add Avatar Border for Visual Consistency

Author: kerwin612

web_src/css/base.css

@@ -461,7 +461,9 @@ a.label,
 img.ui.avatar,
 .ui.avatar img,
 .ui.avatar svg {
+  border: 1px solid;
   border-radius: var(--border-radius);
+  border-color: var(--color-secondary);
   object-fit: contain;
   aspect-ratio: 1;
 }