Replace MEM_DWRITE_Q pool with MEMPROXY class pool #3786

Job	Run time
source-maintenance-tests	2m 54s
CodeQL-tests	35m 36s
functionality-tests	17m 2s
build-tests(ubuntu-22.04,gcc,default)	11m 25s
build-tests(ubuntu-22.04,gcc,minimal)	6m 14s
build-tests(ubuntu-22.04,gcc,maximus)	13m 25s
build-tests(ubuntu-22.04,clang,default)	13m 8s
build-tests(ubuntu-22.04,clang,minimal)	7m 24s
build-tests(ubuntu-22.04,clang,maximus)	15m 41s
build-tests(macos-14,clang,default)	9m 29s
build-tests(macos-14,clang,minimal)	6m 22s
build-tests(macos-14,clang,maximus)	14m 42s
	2h 33m 22s

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