doveadm fts rescan clears the indices, we don't want that

conf/cron/miab_dovecot

@@ -1,3 +1,2 @@
 #!/bin/bash
-/usr/bin/doveadm fts rescan -A > /dev/null 2>&1
 /usr/bin/doveadm fts optimize -A > /dev/null 2>&1

setup/dovecot-fts-xapian.sh

@@ -82,5 +82,5 @@ doveadm fts rescan -A
 # * `-q`: Queues the indexing to be run by indexer process. (will background the indexing)
 # * `-A`: All users
 # * `'*'`: All folders
-doveadm index -q -A '*'
+doveadm index -A -q \*