Fix #12520 FN mismatchingContainers/iterators3 with temporary contain… #20108

Job	Run time
build_cmake (ubuntu:24.04, true, true)	2m 22s
build_cmake (ubuntu:25.10, true, true)	2m 37s
build_cmake (alpine:3.23, false, false)	4m 44s
build_make (ubuntu:25.10)	4m 22s
build_make (ubuntu:24.04)	4m 6s
build_make (alpine:3.23)	5m 46s
	23m 57s

Provide feedback