WIP on adding sized output support to copy_if with device policies #5200

Job	Run time
HOST,bknd=tbb,cmplr=icpx,ubuntu-latest,std=с++17,cfg=release	3m 28s
clang-format	29s
CPU,bknd=dpcpp,cmplr=icpx,ubuntu-latest,std=с++17,cfg=release	3m 27s
HOST,bknd=tbb,cmplr=icx-cl,windows-latest,std=c++17,cfg=release	3m 26s
HOST,bknd=omp,cmplr=g++,ubuntu-latest,std=с++17,cfg=release	3m 28s
HOST,bknd=omp,cmplr=clang++,ubuntu-latest,std=с++17,cfg=release	3m 30s
HOST,bknd=omp,cmplr=icpx,ubuntu-latest,std=с++17,cfg=release	3m 29s
CPU,bknd=dpcpp,cmplr=icx,windows-latest,std=c++17,cfg=release	3m 19s
HOST,bknd=tbb,cmplr=icx-cl,windows-latest,std=c++20,cfg=RelWithAsserts	3m 23s
CPU,bknd=dpcpp,cmplr=icx,windows-latest,std=c++20,cfg=RelWithAsserts	3m 18s
HOST,bknd=serial,cmplr=cl,windows-latest,std=c++20,cfg=RelWithAsserts	3m 22s
HOST,bknd=omp,cmplr=clang++,macos-latest,std=c++17,cfg=release	3m 30s
HOST,bknd=tbb,cmplr=clang++,ubuntu-latest,std=с++17,cfg=release	3m 27s
HOST,bknd=tbb,cmplr=g++,ubuntu-latest,std=с++17,cfg=release	3m 29s
FPGA_EMU,bknd=dpcpp,cmplr=icpx,ubuntu-latest,std=с++17,cfg=release	3m 29s
HOST,bknd=tbb,cmplr=cl,windows-latest,std=c++17,cfg=release	3m 23s
HOST,bknd=tbb,cmplr=icpx,ubuntu-latest,std=с++20,cfg=RelWithAsserts	3m 30s
HOST,bknd=omp,cmplr=icpx,ubuntu-latest,std=с++20,cfg=RelWithAsserts	3m 29s
HOST,bknd=serial,cmplr=g++,ubuntu-latest,std=с++17,cfg=release	3m 28s
HOST,bknd=serial,cmplr=g++,ubuntu-latest,std=с++20,cfg=RelWithAsserts	3m 28s
CPU,bknd=dpcpp,cmplr=icpx,ubuntu-latest,std=с++20,cfg=RelWithAsserts	3m 27s
	1h 9m 19s

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