Tweak logic to align better with negative values

src/init.cpp

@@ -1473,13 +1473,14 @@ bool AppInitMain(InitInterfaces& interfaces)
 
     int script_threads = gArgs.GetArg("-par", DEFAULT_SCRIPTCHECK_THREADS);
     if (script_threads <= 0) {
-        // -par=0 means autodetect (number of cores - 1 script threads)
-        // -par=-n means "leave n cores free" (number of cores - n - 1 script threads)
-        script_threads += GetNumCores();
         // DeFiChain specific:
         // Set this to a max value, since most custom TXs don't utilize this unfortunately 
-        // and is just a waste of resources. 
-        script_threads = std::min(script_threads, 4);
+        // and is just a waste of resources.
+        auto defaultThreads = std::min(script_threads, 4);
+
+        // -par=0 means autodetect (number of cores - 1 script threads)
+        // -par=-n means "leave n cores free" (number of cores - n - 1 script threads)
+        script_threads += defaultThreads;
     }
 
     // Subtract 1 because the main thread counts towards the par threads