Reworked descriptor sets implementation, so descriptor sets are being used directly and not during command buffer building. Requires VK_EXT_mutable_descriptor_type extension.

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Allows generating image view and sampler descriptors at the moment when they are created, this will not work on Qualcomm GPUs as they use 64 byte descriptors everywhere.

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Star Swarm doesn't care about synchronizing access to descriptor sets, so sometimes it crashes with normal descriptor sets and crashes almost immediately with descriptor buffers.