Skinning unlit shader node fixed

void ShaderGraph::LinearBlendSkinningUnlitNode::add_code(StagesCode &code, Stage stage) const {

    INVARIANT(stage == Stage::VERTEX);

    auto decl = R"(layout(std140) uniform BoneMatrices {

    auto decl = R"(layout(std140, binding = 0) uniform BoneMatrices {

    mat4 bones[)" + std::to_string(m_num_of_joints) + R"(];

};

layout(std140, binding = 1) uniform InverseMatrices {

    mat4 inverseBindMatrices[)" + std::to_string(m_num_of_joints) + R"(];

};

vec3 get_skinned_position(vec3 position, vec4 weights, uvec4 bone_indices) {

    vec3 result = vec3(0);

    for (int i = 0; i < 4; ++i) // We assume 4 weights per vertex.

        result += vec3(weights[i] * bones[bone_indices[i]] * vec4(position, 1));

        result += vec3(weights[i] * bones[bone_indices[i]] * inverseBindMatrices[bone_indices[i]] * vec4(position, 1));

    return result;

})";