scx_loader: fix recursion of type convertion #4354

Job	Run time
build-kernel	14s
lint	9s
pages	0s
rust-test-core (scx_loader)	5m 14s
integration-test (scx_bpfland)	4m 9s
rust-test-core (scx_rustland_core)	7m 59s
rust-test-schedulers (scx_bpfland)	9m 55s
layered-matrix (scx_layered, --disable-topology=false)	3m 31s
integration-test (scx_lavd)	3m 46s
rust-test-schedulers (scx_lavd)	10m 17s
rust-test-core (scx_stats)	3m 51s
layered-matrix (scx_layered, --disable-topology=false, --disable-antistall)	3m 1s
integration-test (scx_layered)	4m 11s
rust-test-core (scx_utils)	8m 53s
rust-test-schedulers (scx_layered)	9m 14s
integration-test (scx_rlfifo)	3m 38s
layered-matrix (scx_layered, --disable-topology=true)	2m 54s
rust-test-schedulers (scx_rlfifo)	10m 2s
layered-matrix (scx_layered, --disable-topology=true, --disable-antistall)	3m 5s
integration-test (scx_rustland)	4m 3s
rust-test-schedulers (scx_rustland)	10m 24s
integration-test (scx_rusty)	3m 25s
rust-test-schedulers (scx_rusty)	8m 57s
	2h 0m 52s

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