Keep dashboard status chips on a single line

Status chips wrapped to two lines in narrow table columns (e.g. the
session State column). Pin .chip to white-space: nowrap so an enumerated
state always reads as one token.

Co-Authored-By: Claude Opus 4.7 (1M context) <noreply@anthropic.com>

src/MxGateway.Server/wwwroot/css/dashboard.css

@@ -185,6 +185,9 @@ code {
   color: var(--accent-deep);
 }
 
+/* Status chips never wrap, even in a narrow table column. */
+.chip { white-space: nowrap; }
+
 /* ── Empty / placeholder state ───────────────────────────────────────────────*/
 .empty-state {
   background: #fbfbf9;