Refactor channels and frame class

CMakeLists.txt

applications/groupview/src/main.cpp

applications/gui/src/camera.cpp

applications/gui/src/camera.hpp

applications/gui/src/media_panel.cpp

applications/reconstruct/include/ftl/depth_camera.hpp

applications/reconstruct/include/ftl/depth_camera_params.hpp

applications/reconstruct/include/ftl/voxel_hash_params.hpp

applications/reconstruct/include/ftl/voxel_scene.hpp

applications/reconstruct/src/dibr.cu

applications/reconstruct/src/integrators.cu

applications/reconstruct/src/main.cpp

applications/reconstruct/src/ray_cast_sdf.cu

applications/reconstruct/src/scene_rep_hash_sdf.cu

applications/reconstruct/src/splat_render.cpp

applications/reconstruct/src/voxel_render.cu

applications/reconstruct/src/voxel_scene.cpp

components/codecs/include/ftl/codecs/encoder.hpp

components/codecs/src/nvpipe_decoder.cpp

components/codecs/src/nvpipe_encoder.cpp