feat: move ROOT surface material map I/O to plugins #4400
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🟡 waiting for: SonarCloud Code Analysis, Analysis / build_debug, policy-bot: main
✅ successful required checks: Builds / external_eic-shell, Builds / linux_examples_test, Builds / linux_physmon, Builds / linux_ubuntu, Builds / linux_ubuntu_extra (ubuntu2404_clang19, 20, clang++-19), Builds / macos, CI Bridge / build_exatrkx, CI Bridge / build_exatrkx_cpu, CI Bridge / build_gnn_tensorrt, CI Bridge / build_linux_ubuntu, CI Bridge / clang_tidy, CI Bridge / lcg_106a: [alma9, clang16], CI Bridge / lcg_106a: [alma9, gcc13], CI Bridge / lcg_106a: [alma9, gcc14], CI Bridge / lcg_107: [alma9, clang19], CI Bridge / lcg_107: [alma9, gcc13], CI Bridge / lcg_107: [alma9, gcc14], CI Bridge / linux_physmon, CI Bridge / linux_test_examples, CI Bridge / linux_ubuntu_2404_clang19, CI Bridge / test_exatrkx_python, CI Bridge / test_exatrkx_unittests, Checks / fpe_masks, Checks / lint, Checks / missing_includes, Checks / smearing_config, Checks / unused_files, Docs / docs, Lint PR / Validate PR title, milestone-set