Fix border top on fixed bottom

RELEASE-NOTES.md

@@ -22,6 +22,7 @@
 - **Modal** - `scrolling modal` now correctly inherits rules so that it appears at top of screen on mobile
 - **Menu** - Inverted menu no longer includes a 1px transparent border.
 - **Menu** - Fixes `compact vertical menu` using `flex` style incorrectly
+- **Menu** - Fixes `border-top` not appearing on `bottom fixed` menu
 - **Tab** - Fixed bug where remote loaded tab content would not show `loading tab` on first load.
 
 **Docs**

src/definitions/collections/menu.less

@@ -1626,13 +1626,13 @@ Floated Menu / Item
 
 .ui.fixed.menu,
 .ui[class*="top fixed"].menu {
-  border-top: none;
   top: 0px;
   left: 0px;
   right: auto;
   bottom: auto;
 }
 .ui[class*="top fixed"].menu {
+  border-top: none;
   border-left: none;
   border-right: none;
 }