fix(file-upload): hidden input a11y #437

Job	Run time
Hooks	37s
E2E tests (OTP 26.2.5.2 \| Elixir 1.17.3)	48m 15s
Unit tests (OTP 28.0.1 \| Elixir 1.18.4)	35s
Integration tests (OTP 27.3 \| Elixir 1.18.4)	1h 0m 23s
Integration tests (OTP 28.0.1 \| Elixir 1.18.4 \| phx_new 1.8.4)	49m 7s
Integration tests (OTP 28.0.1 \| Elixir 1.18.4)	50m 6s
Unit tests (OTP 27.3 \| Elixir 1.18.4)	1m 0s
E2E tests (OTP 27.3 \| Elixir 1.18.4)	46m 32s
Unit tests (OTP 26.2.5.2 \| Elixir 1.17.3)	39s
Integration tests (OTP 26.2.5.2 \| Elixir 1.17.3)	58m 3s
Integration tests (OTP 26.2.5.2 \| Elixir 1.17.3 \| phx_new 1.8.4)	57m 8s
Lint	3m 41s
Installer tests (OTP 26.2.5.2 \| Elixir 1.17.3)	29s
Integration tests (OTP 27.3 \| Elixir 1.18.4 \| phx_new 1.8.4)	1h 0m 49s
Installer tests (OTP 28.0.1 \| Elixir 1.18.4)	29s
E2E tests (OTP 28.0.1 \| Elixir 1.18.4)	46m 33s
Installer tests (OTP 27.3 \| Elixir 1.18.4)	35s
	8h 5m 1s

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