Hide signal user from login screen

signal.yml

@@ -22,6 +22,18 @@
         name: root
         groups: signal
         append: yes
+    
+    - name: Hide signal user from login screen
+      blockinfile:
+        path: /var/lib/AccountsService/users/signal
+        mode: "0444"
+        owner: root
+        group: root
+        create: yes
+        block: |
+          [User]
+          SystemAccount=true                    
+        backup: no
 
     - name: Create Signal User
       ansible.builtin.user: