Fix formatting change for narrow screens that did not work.

- Removed part of CSS change introduced in d4a339802f.

web/model-manager.css

@@ -452,13 +452,6 @@
     width: 33px;
 }
 
-.model-manager .model-manager-head {
-    display: flex;
-    flex-direction: row-reverse; /* `row` to swap topbar direction */
-    justify-content: space-between;
-    align-items: flex-end;
-}
-
 .model-manager .model-manager-head .topbar-left {
     display: flex;
     float: left;
@@ -467,7 +460,7 @@
 .model-manager .model-manager-head .topbar-right {
     column-gap: 4px;
     display: flex;
-    flex-direction: row-reverse; /* `row` to swap topbar direction */
+    flex-direction: row-reverse;
     float: right;
 }