[WIP] Refactoring: Encapsulate genome properties in an own structure.

[Copilot]

Thanks for assigning this issue to me. I'm starting to work on it and will keep this PR's description up to date as I form a plan and make progress.

Original issue description:

In ObjectTO.h the data type CreatureTO should be splitted into (ignore the code comments about what belongs to the genome)

struct CreatureTO
{
    uint64_t id;
    uint64_t ancestorId;
    uint32_t mutationId;
    float genomeComplexity;

    GenomeTO genome;

    // Temporary data
    uint64_t creatureIndexOnGpu;
};

and

struct GenomeTO
{
    int numGenes;
    uint64_t geneArrayIndex;

    float frontAngle;
};

The new CreatureTO should remain in ObjectTO.h while the new GenomeTO should be in GenomeTO.h.

Similarly, Creature from Object.cuh should be splitted into

struct Creature
{
    uint64_t id;
    uint64_t ancestorId;

    uint32_t mutationId;
    float genomeComplexity;

    Genome genome;

    // Temporary data
    uint64_t creatureIndex;
    static auto constexpr CreatureIndex_NotSet = 0xffffffffffffffff;
};

and

struct Genome
{
    int numGenes;
    Gene* genes;

    float frontAngle;
};

while Genome should be put to Genome.cuh.

All usages of the former creature structures should be adapted.

IMPORTANT:
This issue must be fixed on the v5.0_dev and not on develop branch.

Fixes #126.

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