fix: incorrectly set cookie's expires value in login.js #1216

Job	Run time
call-lint / golangci	1m 4s
call-styles-check / styles-check	14s
call-swagger-check / swagger-check	23s
call-mkdocs-check / mkdocs-check	4s
call-test / test-bsd (openbsd, x86-64, 7.5)	4m 23s
call-test / Go unit tests (ubuntu-latest)	2m 33s
call-test / Go unit tests (windows-latest)	6m 15s
call-test / Go unit tests (macos-latest)	1m 10s
call-e2e / Tests	1m 9s
call-gorelease / goreleaser	3m 8s
call-buildx / Build Docker	29s
call-buildx-alpine / Build Docker	22s
	21m 14s

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