feat(dwmtitus-setup): improve slstatus installation using loop

tabs/applications-setup/dwmtitus-setup.sh

@@ -296,6 +296,7 @@ setupDisplayManager() {
 }
 
 install_slstatus() {
+    while true; do
         printf "Do you want to install slstatus? (y/n): " # using printf instead of 'echo' to avoid newline, -n flag for 'echo' is not supported in POSIX
         read -r response # -r flag to prevent backslashes from being interpreted
         case "$response" in
@@ -308,15 +309,17 @@ install_slstatus() {
                     echo "Failed to install slstatus"
                     return 1
                 fi
+                break
                 ;;
             [Nn] | [Nn][Oo]) # same logic as above, but for No
                 echo "Skipping slstatus installation"
+                break
                 ;;
             *)
                 echo "Invalid input. Please enter y/yes or n/no."
-            install_slstatus
                 ;;
         esac
+    done
     cd ..
 }