fix(ui): reduce combobox focus ring to match Input component

ring-[3px] was clipping against dialog overflow boundaries.
Use ring-1 to match the standard Input component styling.

ui/web/src/components/ui/combobox.tsx

@@ -197,7 +197,7 @@ export function Combobox({
         placeholder={placeholder}
         className={cn(
           "border-input placeholder:text-muted-foreground dark:bg-input/30 h-9 w-full rounded-md border bg-transparent px-3 py-1 pr-8 text-base md:text-sm shadow-xs outline-none transition-[color,box-shadow]",
-          "focus-visible:border-ring focus-visible:ring-ring/50 focus-visible:ring-[3px]",
+          "focus-visible:border-ring focus-visible:ring-ring/50 focus-visible:ring-1",
         )}
       />
       {options.length > 0 && (