fix(libsinsp/parsers): call immediately call on_erase_fd callback #7401

Job	Run time
build-shared-libs-linux-amd64 🧐	6m 22s
build-libs-linux-amd64-static 🎃	23m 0s
build-libs-emscripten 🧐	6m 2s
build-libs-others-amd64 😨 (windows-latest, MultiThreaded)	6m 19s
build-libs-linux-amd64 😁 (system_deps)	7m 33s
build-shared-libs-macos-amd64 😨	1m 25s
build-libs-others-amd64 😨 (windows-latest, MultiThreadedDLL)	5m 20s
build-libs-linux-amd64 😁 (bundled_deps)	17m 24s
run-e2e-tests-amd64 (system_deps)	9m 49s
build-libs-others-amd64 😨 (macos-latest)	3m 8s
build-libs-linux-amd64 😁 (system_deps_minimal)	5m 38s
run-e2e-tests-amd64 (bundled_deps)	19m 44s
test-libs-static (bundled_deps)	14m 25s
run-e2e-tests-amd64 (asan)	21m 39s
build-libs-linux-amd64 😁 (sanitizers)	16m 8s
build-libs-linux-amd64 😁 (zig)	26m 5s
build-libs-linux-arm64 😁 (system_deps)	5m 29s
build-libs-linux-arm64 😁 (bundled_deps)	11m 57s
build-libs-linux-arm64 😁 (system_deps_minimal)	3m 56s
build-libs-linux-arm64 😁 (sanitizers)	11m 58s
build-libs-linux-arm64 😁 (zig)	16m 25s
	3h 59m 46s

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