feat: property (scale-ignore-players) to decide if the player count should be checked before a server scales down

Author: FllipEis

controller-runtime/src/main/kotlin/app/simplecloud/controller/runtime/reconciler/GroupReconciler.kt

@@ -58,7 +58,15 @@ class GroupReconciler(
             return
 
         val serverCountToStop = fullyStartedServers.size - this.group.minOnlineCount
-        fullyStartedServers
+        val serversToConsider = if (this.group.properties["scale-ignore-players"]?.toBoolean() == true) {
+            // If scale-ignore-players is true, consider all fully started servers
+            fullyStartedServers
+        } else {
+            // If scale-ignore-players is false, only consider servers without players
+            fullyStartedServers.filter { it.playerCount == 0L }
+        }
+
+        serversToConsider
             .filter { !wasUpdatedRecently(it) }
             .shuffled()
             .take(serverCountToStop.toInt())