Fix bad substitution error

manifest.jps

@@ -18,12 +18,16 @@ settings:
       description: "A user-specific directory will be created under /home/username"
       required: false  
     - type: string
+      inputType: text
       name: username
       caption: SFTP Username
+      placeholder: "Enter username"
       description: "Enter the desired username (3-32 characters, letters, numbers, and underscores only)"
       required: true
       regex: ^[a-zA-Z0-9_]{3,32}$
       regexText: "Username must be 3-32 characters long and contain only letters, numbers, and underscores"
+      hideLabel: false
+      hidden: false
     - type: checkbox
       name: allow
       caption: Accept User Creation
@@ -68,10 +72,11 @@ settings:
       
 
 globals:
-  username: "${settings.username}"
+  username: "${settings.sfpform.username}"
   password: ${fn.password(min)}
   sftpHost: ${env.domain}
   sftpPort: 22
+  enable_ssh: ${settings.sfpform.enable_ssh:false}
 
 onInstall:
   - cmd [cp]: 
@@ -85,10 +90,10 @@ onInstall:
   - cmd[cp]: 
     user: root
     commands: |-
-      if grep -qE "^Match User user[0-9]*$" /etc/ssh/sshd_config; then
-          sed -i '/^Match User user[0-9]*/!b;n;c\    PasswordAuthentication yes' /etc/ssh/sshd_config
+      if grep -qE "^Match User [a-zA-Z0-9_]*$" /etc/ssh/sshd_config; then
+          sed -i '/^Match User [a-zA-Z0-9_]*/!b;n;c\    PasswordAuthentication yes' /etc/ssh/sshd_config
       else
-          echo -e "\n# Added by SFTP addon\nMatch User user*\n\tPasswordAuthentication yes" >> /etc/ssh/sshd_config
+          echo -e "\n# Added by SFTP addon\nMatch User *\n\tPasswordAuthentication yes" >> /etc/ssh/sshd_config
       fi
       awk '!seen[$0]++' /etc/ssh/sshd_config > /etc/ssh/sshd_config.tmp && mv /etc/ssh/sshd_config.tmp /etc/ssh/sshd_config
       systemctl restart sshd
@@ -111,9 +116,12 @@ menu:
 
 actions:
   add_sftp_user:
+    - setGlobals:
+        enable_ssh: ${settings.sfpform.enable_ssh:false}
     - cmd[cp]: 
         user: root
-        commands: bash /home/jelastic/add-sftp-user-addon/add-sftp.sh "${globals.username}" "${globals.password}" "${settings.sfpform.enable_ssh}"
+        commands: |-
+          bash /home/jelastic/add-sftp-user-addon/add-sftp.sh "${globals.username}" "${globals.password}" "${globals.enable_ssh}"
     - cmd[cp]: 
         user: root
         commands: echo $CREATED_USERNAME