fix(themeing): update scrollbar contrast on background

fix(themeing): update scrollbar contrast on background

Signed-off-by: root <root@ip-208-84-103-161.my-advin.com>

[skip ci]

Author: root

apps/dashboard/src/DashboardApp.vue

@@ -800,5 +800,7 @@ html, body {
 
 #content {
 	overflow: auto;
+	/* Scrollbar sits on the background image — use plain-text color for contrast */
+	scrollbar-color: var(--color-background-plain-text) transparent;
 }
 </style>