format-table: never try to reuse cells that have color/url/uppercase set

The table cell reusing code is supposed to be an internal memory
optimization, and not more. This means behaviour should be the same as
if we wouldn't reuse cells.

src/shared/format-table.c

@@ -270,6 +270,14 @@ static bool table_data_matches(
         if (d->ellipsize_percent != ellipsize_percent)
                 return false;
 
+        /* If a color/url/uppercase flag is set, refuse to merge */
+        if (d->color)
+                return false;
+        if (d->url)
+                return false;
+        if (d->uppercase)
+                return false;
+
         k = table_data_size(type, data);
         l = table_data_size(d->type, d->data);