Fix infinite resource updates due empty EnvVars #5212

Job	Run time
check_format_and_unit_tests	14s
build / Special integration tests (17)	1m 44s
build / Special integration tests (21)	1m 46s
build / Special integration tests (24)	1m 43s
build / httpclient-tests (jetty) / Integration tests (24, 1.32.0, jetty)	3m 21s
build / httpclient-tests (jdk) / Integration tests (24, 1.32.0, jdk)	40s
build / httpclient-tests (vertx) / Integration tests (24, 1.32.0, vertx)	3m 22s
build / integration_tests (17, 1.30.12) / Integration tests (17, 1.30.12, vertx)	3m 22s
build / integration_tests (17, 1.31.8) / Integration tests (17, 1.31.8, vertx)	3m 22s
build / integration_tests (17, 1.32.4) / Integration tests (17, 1.32.4, vertx)	3m 21s
build / integration_tests (17, 1.33.0) / Integration tests (17, 1.33.0, vertx)	3m 21s
build / integration_tests (21, 1.30.12) / Integration tests (21, 1.30.12, vertx)	3m 21s
build / integration_tests (21, 1.31.8) / Integration tests (21, 1.31.8, vertx)	3m 20s
build / integration_tests (21, 1.32.4) / Integration tests (21, 1.32.4, vertx)	2m 32s
build / integration_tests (21, 1.33.0) / Integration tests (21, 1.33.0, vertx)	3m 20s
build / integration_tests (24, 1.30.12) / Integration tests (24, 1.30.12, vertx)	3m 22s
build / integration_tests (24, 1.31.8) / Integration tests (24, 1.31.8, vertx)	3m 22s
build / integration_tests (24, 1.32.4) / Integration tests (24, 1.32.4, vertx)	3m 21s
build / integration_tests (24, 1.33.0) / Integration tests (24, 1.33.0, vertx)	3m 21s
	52m 15s

Provide feedback