restart master first in some edge cases (#1655)

* restart master first in some edge cases

* edge case is when desired is lower than effective

* wait after config patch and restart on sync whenever we see pending_restart

* convert options to int to check decrease and add unit test

* minor update to e2e tests

* wait only after restart not every sync

* using spilo 14 e2e images

docker/logical-backup/Dockerfile

@@ -23,6 +23,7 @@ RUN apt-get update     \
     && curl --silent https://www.postgresql.org/media/keys/ACCC4CF8.asc | apt-key add - \
     && apt-get update \
     && apt-get install --no-install-recommends -y  \
+        postgresql-client-14  \
         postgresql-client-13  \
         postgresql-client-12  \
         postgresql-client-11  \