Method reset

tests/profile/json_memory_profile.cpp:51–58

    fl::unsorted_map_fixed<const void*, u32, 64000> allocations;

    void reset() {
        current_bytes.store(0);
        peak_bytes.store(0);
        total_allocated.store(0);
        alloc_count.store(0);
        free_count.store(0);
        allocations.clear();
    }

    void on_malloc(void* ptr, size_t size) {
        if (!ptr) return;