global: Adjust to settings API changes

src/lib-sieve-tool/sieve-tool.c

src/lib-sieve/sieve-message.c

src/lib-sieve/util/edit-mail.c

src/lib-sieve/util/mail-raw.c

src/lib-sieve/util/test-edit-mail.c

src/managesieve-login/client.c

src/managesieve-login/managesieve-login-settings.c

src/managesieve-login/managesieve-login-settings.h

src/managesieve/main.c

src/managesieve/managesieve-capabilities.c

src/managesieve/managesieve-client.c

src/managesieve/managesieve-settings.c

src/managesieve/managesieve-settings.h

src/plugins/doveadm-sieve/doveadm-sieve-cmd.c

src/plugins/doveadm-sieve/doveadm-sieve-sync.c

src/plugins/imap-filter-sieve/imap-filter-sieve.c

src/plugins/imapsieve/imap-sieve.c

src/plugins/lda-sieve/lda-sieve-plugin.c

src/testsuite/testsuite-mailstore.c