Simplified usage of descriptors on application level

include/vkcv/DrawcallRecording.hpp

modules/scene/src/vkcv/scene/MeshPart.cpp

modules/upscaling/src/vkcv/upscaling/FSRUpscaling.cpp

projects/bindless_textures/src/main.cpp

projects/first_mesh/src/main.cpp

projects/indirect_dispatch/src/App.cpp

projects/indirect_dispatch/src/MotionBlur.cpp

projects/indirect_draw/src/main.cpp

projects/mesh_shader/src/main.cpp

projects/particle_simulation/src/BloomAndFlares.cpp

projects/particle_simulation/src/main.cpp

projects/path_tracer/src/main.cpp

projects/rtx_ambient_occlusion/src/main.cpp

projects/saf_r/src/main.cpp

projects/sph/src/BloomAndFlares.cpp

projects/sph/src/main.cpp

projects/voxelization/src/BloomAndFlares.cpp

projects/voxelization/src/ShadowMapping.cpp

projects/voxelization/src/Voxelization.cpp

projects/voxelization/src/main.cpp