fix: Do not add quotes to search params

Author: adbjo

packages/router-core/src/searchParams.ts

@@ -75,8 +75,8 @@ export function stringifySearchWith(
       try {
         // Check if it's a valid parseable string.
         // If it is, then stringify it again.
-        parser(val)
-        return stringify(val)
+        const parsed = parser(val)
+        return stringify(parsed)
       } catch (_err) {
         // silent
       }