Fixed typo in server tools

Server/Tools/adduser

@@ -7,7 +7,7 @@ if [ ! -f "$(which uuidgen 2> /dev/null)" ]; then
     exit 1
 fi
 
-if [ "${systemctl is-active --quiet mongod}" != "active" ]; then
+if [ "$(systemctl is-active mongod)" != "active" ]; then
         echo "ERROR: mongoDB service is not running"
         exit 1  
 fi

Server/Tools/del-user

@@ -2,7 +2,7 @@
 
 [ -z $1 ] && echo "Usage: $0 <username>" && exit 1
 
-if [ "${systemctl is-active --quiet mongod}" != "active" ]; then
+if [ "$(systemctl is-active mongod)" != "active" ]; then
         echo "ERROR: mongoDB service is not running"
         exit 1  
 fi

Server/Tools/reset-user-password

@@ -2,7 +2,7 @@
 
 [ -z $1 ] || [ -z $2 ] && echo "Usage: $0 <username> <password>" && exit 1
 
-if [ "${systemctl is-active --quiet mongod}" != "active" ]; then
+if [ "$(systemctl is-active mongod)" != "active" ]; then
         echo "ERROR: mongoDB service is not running"
         exit 1  
 fi