fix(config): prevent device-card text overflow in printer grid

- Add min-width:0 and overflow-wrap:break-word to .device-card
- Add min-width:0 and overflow-wrap:break-word to .device-card__body
- Prevents grid items from expanding beyond their cell when content is wide
- Bump config.css cache-bust to v=2

pos/static/css/config.css

@@ -1041,6 +1041,8 @@
       gap: var(--space-4);
       box-shadow: var(--shadow-sm);
       transition: var(--transition-normal);
+      min-width: 0;
+      overflow-wrap: break-word;
     }
 
     [data-theme="modern"] .device-card {
@@ -1073,7 +1075,7 @@
       stroke-linejoin: round;
     }
 
-    .device-card__body { flex: 1; }
+    .device-card__body { flex: 1; min-width: 0; overflow-wrap: break-word; }
 
     .device-card__name {
       font-weight: var(--font-weight-semibold);