web: misc fixes for admin and flow inspector (#12461) #168

Job	Run time
test-unittest	2m 55s
lint-golint	1m 14s
ci-outpost-mark	3s
build-container (proxy)	3m 7s
build-binary (proxy, linux, amd64)	1m 55s
build-container (ldap)	2m 13s
build-binary (proxy, linux, arm64)	1m 50s
build-container (radius)	2m 11s
build-container (rac)	2m 20s
build-binary (ldap, linux, amd64)	1m 49s
build-binary (ldap, linux, arm64)	1m 48s
build-binary (radius, linux, amd64)	1m 45s
build-binary (radius, linux, arm64)	1m 43s
build-binary (rac, linux, amd64)	1m 44s
build-binary (rac, linux, arm64)	1m 47s
	28m 24s

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