Replace MEM_DWRITE_Q pool with MEMPROXY class pool #3781

Job	Run time
functionality-tests	17m 22s
source-maintenance-tests	3m 4s
CodeQL-tests	35m 9s
build-tests(ubuntu-22.04,gcc,default)	11m 16s
build-tests(ubuntu-22.04,gcc,minimal)	6m 1s
build-tests(ubuntu-22.04,gcc,maximus)	13m 0s
build-tests(ubuntu-22.04,clang,default)	13m 27s
build-tests(ubuntu-22.04,clang,minimal)	7m 16s
build-tests(ubuntu-22.04,clang,maximus)	15m 26s
build-tests(macos-14,clang,default)	13m 20s
build-tests(macos-14,clang,minimal)	6m 36s
build-tests(macos-14,clang,maximus)	10m 51s
	2h 32m 48s

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