feat: fix sidebar colors for white background (#813)

Author: baseplate-admin

src/frontend/src/css/tailwind.css

@@ -34,7 +34,7 @@
 	--chart-3: oklch(0.398 0.07 227.392);
 	--chart-4: oklch(0.828 0.189 84.429);
 	--chart-5: oklch(0.769 0.188 70.08);
-	--sidebar: oklch(0.985 0 0);
+	--sidebar: oklch(1 0 0);
 	--sidebar-foreground: oklch(0.145 0 0);
 	--sidebar-primary: oklch(0.205 0 0);
 	--sidebar-primary-foreground: oklch(0.985 0 0);