fix: routing regressions caused by `trailing_slash` support #1485

Job	Run time
get-leptos-changed / Detect Source Change	5s
CI (integrations/utils) / Run ci (nightly)	1m 34s
CI (integrations/viz) / Run ci (nightly)	1m 37s
CI (integrations/actix) / Run ci (nightly)	1m 33s
CI (integrations/axum) / Run ci (nightly)	1m 44s
CI (leptos) / Run ci (nightly)	1m 41s
CI (leptos_config) / Run ci (nightly)	1m 48s
CI (leptos_dom) / Run ci (nightly)	1m 33s
CI (leptos_hot_reload) / Run ci (nightly)	1m 40s
CI (leptos_macro) / Run ci (nightly)	1m 35s
CI (leptos_reactive) / Run ci (nightly)	1m 43s
CI (leptos_server) / Run ci (nightly)	1m 44s
CI (meta) / Run ci (nightly)	1m 35s
CI (router) / Run ci (nightly)	1m 34s
CI (server_fn) / Run ci (nightly)	1m 34s
CI (server_fn_macro) / Run ci (nightly)	1s
CI (server_fn/server_fn_macro_default) / Run ci (nightly)	1m 44s
	24m 45s

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