Widen dashboard topnav to max-w 1800px to reduce empty side margins

src/app/globals.css

@@ -391,7 +391,7 @@ select.input {
 
 .topnav-inner {
   width: 100%;
-  max-width: 960px;
+  max-width: 1800px;
   margin: 0 auto;
   display: flex;
   align-items: center;