Remove VulkanState dependency

Passing VulkanState everywhere (including windowLoop) made no sense.
I know that "globals are evil", but this is the best solution for now.

graphics/src/mesh_controller.hpp

@@ -47,8 +47,7 @@ struct Mesh
  * @param indices indices for mesh
  * @return uint16_t Mesh identifier. Can be useful for getting vertices, indices and instances
  */
-uint16_t create_mesh(rse::graphics::vulkanbase::VulkanState& vulkan_state,
-                     std::vector<rse::graphics::vulkanbase::Vertex> vertices,
+uint16_t create_mesh(std::vector<rse::graphics::vulkanbase::Vertex> vertices,
                      std::vector<uint16_t> indices);
 
 /**
@@ -57,8 +56,7 @@ uint16_t create_mesh(rse::graphics::vulkanbase::VulkanState& vulkan_state,
  * @param mesh_id Mesh id
  * @param instance_data Transformation info
  */
-void create_mesh_instance(rse::graphics::vulkanbase::VulkanState& vulkan_state,
-                          uint16_t mesh_id,
+void create_mesh_instance(uint16_t mesh_id,
                           InstanceData instance_data);
 
 std::vector<rse::graphics::vulkanbase::Vertex> get_mesh_vertices(uint16_t mesh_id);