Don't fail if file exists already

setup_system.sh

@@ -103,6 +103,7 @@ function configure_sddm() {
 
     echo "Setting up '$theme_dir'."
     [ -f "$theme_user_config" ] && sudo mv "$theme_user_config" "$theme_user_config.disabled"
+    return 0
 }
 
 function configure_ufw() {
@@ -310,9 +311,9 @@ ID_LIKE="$(grep ID_LIKE= </etc/os-release | cut -d= -f2)"
 echo "Setting up ${ID_LIKE^:?}-like OS."
 
 if [[ "$ID_LIKE" == "arch" ]]; then
-    setup_arch
+    setup_arch || echo "Setup failed: $?"
 elif [[ "$ID_LIKE" == "debian" ]]; then
-    setup_debian
+    setup_debian || echo "Setup failed: $?"
 else
     echo "ERROR: Unsupported system: ID_LIKE=$ID_LIKE"
     exit 2