fix(clerk-js): Combined flow routing #11301

Job	Run time
check-permissions	1s
Formatting, linting & changeset checks	39s
Integration Tests (generic, chrome)	5m 33s
Unit Tests (18)	52s
Integration Tests (express, chrome)	2m 16s
Unit Tests (22)	1m 30s
Integration Tests (quickstart, chrome)	2m 28s
Integration Tests (ap-flows, chrome)	2m 53s
Integration Tests (elements, chrome)	2m 57s
Integration Tests (sessions, chrome)	4m 20s
Integration Tests (astro, chrome)	3m 11s
Integration Tests (expo-web, chrome)	2m 42s
Integration Tests (tanstack-start, chrome)	4m 2s
Integration Tests (tanstack-router, chrome)	2m 25s
Integration Tests (vue, chrome)	2m 37s
Integration Tests (nuxt, chrome)	2m 40s
Integration Tests (react-router, chrome)	2m 28s
Integration Tests (nextjs, chrome, 13)	6m 13s
Integration Tests (nextjs, chrome, 14)	6m 13s
Integration Tests (nextjs, chrome, 15)	6m 14s
	1h 2m 14s

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