Fix status/script filter dropdowns being cramped on mobile

SelectTrigger defaults to w-fit, and the toolbar only set a width from
sm: up, so below that breakpoint each dropdown shrank to its label text
instead of using the full row it was already stacked onto.

Co-Authored-By: Claude Sonnet 5 <noreply@anthropic.com>

app/src/components/runs/runs-toolbar.tsx

@@ -65,7 +65,7 @@ export function RunsToolbar({ scripts }: RunsToolbarProps) {
           updateParams({ status: value === "all" ? null : value })
         }
       >
-        <SelectTrigger className="sm:w-40">
+        <SelectTrigger className="w-full sm:w-40">
           <SelectValue placeholder="Status" />
         </SelectTrigger>
         <SelectContent>
@@ -83,7 +83,7 @@ export function RunsToolbar({ scripts }: RunsToolbarProps) {
           updateParams({ scriptId: value === "all" ? null : value })
         }
       >
-        <SelectTrigger className="sm:w-48">
+        <SelectTrigger className="w-full sm:w-48">
           <SelectValue placeholder="Script" />
         </SelectTrigger>
         <SelectContent>