don't check for snap mode in common.sh, is only relevant to snap daemons (#1113)

snap mode is for daemons, remove it from client (i.e. common.sh)

supply leader info to client via snap

multinode-demo/common.sh

@@ -166,9 +166,6 @@ find_leader() {
   declare shift=0
 
   if [[ -d $SNAP ]]; then
-    # Exit if mode is not yet configured
-    # (typically the case after the Snap is first installed)
-    [[ -n $(snapctl get mode) ]] || exit 0
 
     # Select leader from the Snap configuration
     leader_ip=$(snapctl get leader-ip)

multinode-demo/validator.sh

@@ -9,6 +9,12 @@ source "$here"/common.sh
 # shellcheck source=scripts/oom-score-adj.sh
 source "$here"/../scripts/oom-score-adj.sh
 
+if [[ -d "$SNAP" ]]; then
+  # Exit if mode is not yet configured
+  # (typically the case after the Snap is first installed)
+  [[ -n "$(snapctl get mode)" ]] || exit 0
+fi
+
 usage() {
   if [[ -n $1 ]]; then
     echo "$*"