fix: restore priority color on PBI filter pill

Co-Authored-By: Claude Sonnet 4.6 <noreply@anthropic.com>

components/backlog/pbi-list.tsx

@@ -32,6 +32,7 @@ import { reorderPbisAction, updatePbiPriorityAction } from '@/actions/stories'
 import { cn } from '@/lib/utils'
 import { PbiDialog, type PbiDialogState } from './pbi-dialog'
 import { BacklogCard } from './backlog-card'
+import { PRIORITY_COLORS } from '@/components/shared/priority-select'
 
 const PRIORITY_LABELS: Record<number, string> = {
   1: 'Kritiek',
@@ -232,7 +233,7 @@ export function PbiList({ productId, pbis, isDemo }: PbiListProps) {
                 onClick={() => setFilterPriority(null)}
                 className="flex items-center gap-1 text-xs text-primary hover:underline"
               >
-                <Badge className="text-xs">
+                <Badge className={cn('text-xs', PRIORITY_COLORS[filterPriority])}>
                   {PRIORITY_LABELS[filterPriority]}
                 </Badge>
                 <span>×</span>