fix too long long on non functionnal networt (and improve dwl)

profile.d/updates.sh

@@ -90,9 +90,14 @@ check_updates()
         return 4
     }
 
-    dwl "$UPDT_URL/version" "$vfile" >/dev/null 2>&1 || {
+    # In quiet mode (startup), use a short timeout so a missing or slow network
+    # never blocks the interactive prompt.
+    local dwl_opts=()
+    (( quiet == 1 )) && dwl_opts+=(-t 3)
+
+    dwl "${dwl_opts[@]}" "$UPDT_URL/version" "$vfile" >/dev/null 2>&1 || {
         rm -f "$vfile"
-        disp E "Cannot download version file; unable to continue."
+        (( quiet != 1 )) && disp E "Cannot download version file; unable to continue."
         return 5
     }