lib-sieve: sieve - Migrate Sieve base instance settings to new config structure

src/lib-sieve/Makefile.am

src/lib-sieve/cmd-redirect.c

src/lib-sieve/plugins/enotify/mailto/ntfy-mailto.c

src/lib-sieve/plugins/vacation/cmd-vacation.c

src/lib-sieve/plugins/vnd.dovecot/report/cmd-report.c

src/lib-sieve/sieve-actions.c

src/lib-sieve/sieve-address-source.c

src/lib-sieve/sieve-address-source.h

src/lib-sieve/sieve-binary.c

src/lib-sieve/sieve-common.h

src/lib-sieve/sieve-interpreter.c

src/lib-sieve/sieve-lexer.c

src/lib-sieve/sieve-result.c

src/lib-sieve/sieve-settings.c

src/lib-sieve/sieve-settings.h

src/lib-sieve/sieve-settings.old.c

src/lib-sieve/sieve-settings.old.h

src/lib-sieve/sieve-storage.c

src/lib-sieve/sieve.c

src/lib-sieve/sieve.h