docs: log error on failing to convert form to ServerFn type, in addit… #1690

Job	Run time
get-leptos-changed / Detect Source Change	5s
CI (integrations/utils) / Run ci (nightly-2024-01-29)	7m 41s
CI (leptos) / Run ci (nightly-2024-01-29)	25m 42s
CI (integrations/axum) / Run ci (nightly-2024-01-29)	7m 53s
CI (integrations/actix) / Run ci (nightly-2024-01-29)	8m 10s
CI (leptos_config) / Run ci (nightly-2024-01-29)	7m 19s
CI (leptos_dom) / Run ci (nightly-2024-01-29)	13m 8s
CI (leptos_hot_reload) / Run ci (nightly-2024-01-29)	7m 37s
CI (leptos_macro) / Run ci (nightly-2024-01-29)	20m 51s
CI (leptos_reactive) / Run ci (nightly-2024-01-29)	23m 32s
CI (leptos_server) / Run ci (nightly-2024-01-29)	12m 41s
CI (meta) / Run ci (nightly-2024-01-29)	7m 58s
CI (router) / Run ci (nightly-2024-01-29)	8m 57s
CI (server_fn) / Run ci (nightly-2024-01-29)	23m 6s
CI (server_fn_macro) / Run ci (nightly-2024-01-29)	7m 24s
CI (server_fn/server_fn_macro_default) / Run ci (nightly-2024-01-29)	7m 26s
	3h 9m 30s

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