Only change user permissions if not in onion mode

src/freedombone-app-cryptpad

 
     # an unprivileged user to run as
     useradd -d $CRYPTPAD_DIR/ cryptpad
-    chgrp -R ssl-cert /etc/letsencrypt
-    chmod -R g=rX /etc/letsencrypt
-    usermod -a -G ssl-cert cryptpad
+    if [[ $ONION_ONLY == "no" ]]; then
+        chgrp -R ssl-cert /etc/letsencrypt
+        chmod -R g=rX /etc/letsencrypt
+        usermod -a -G ssl-cert cryptpad
+    fi
 
     cd $CRYPTPAD_DIR
     git checkout $CRYPTPAD_COMMIT -b $CRYPTPAD_COMMIT