fix: increase toast z-index and set theme dropdown default value

.env.local

@@ -1 +1 @@
-NEXT_PUBLIC_COMMIT_SHA=b5fc053
+NEXT_PUBLIC_COMMIT_SHA=e5bd720

app/components/start-screen.tsx

@@ -255,7 +255,7 @@ export function LoginForm({
                 <span>
                   <Label htmlFor="theme">Theme</Label>
                 </span>
-                <Select value={theme} onValueChange={setTheme}>
+                <Select value={theme || "blue"} onValueChange={setTheme}>
                   <SelectTrigger>
                     <SelectValue placeholder="Select a theme" />
                   </SelectTrigger>

components/ui/toast.tsx

@@ -16,7 +16,7 @@ const ToastViewport = React.forwardRef<
   <ToastPrimitives.Viewport
     ref={ref}
     className={cn(
-      "fixed top-0 z-100 flex max-h-screen w-full flex-col-reverse p-4 sm:bottom-0 sm:right-0 sm:top-auto sm:flex-col md:max-w-[420px]",
+      "fixed top-0 z-[9999] flex max-h-screen w-full flex-col-reverse p-4 sm:bottom-0 sm:right-0 sm:top-auto sm:flex-col md:max-w-[420px]",
       className
     )}
     {...props}