toodego: don't force a minimal height for content (#33807)

When the onscreen keyboard pops up the screen could go below that size
and scrollbars would appear on the search page and push the search input
out of screen.

static/toodego/_custom.scss

@@ -123,6 +123,10 @@ div.banner {
 	}
 }
 
+div#main-content {
+	min-height: auto;
+}
+
 #content #sidebar {
 	width: 100%;
 	@media screen and (max-width: $desktop-limit) {