Stop config nodes after flow nodes

Fixes #2876

packages/node_modules/@node-red/runtime/lib/flows/Flow.js

@@ -308,6 +308,17 @@ class Flow {
             removedMap[id] = true;
         });
 
+        let nodesToStop = [];
+        let configsToStop = [];
+        stopList.forEach(id => {
+            if (this.flow.configs[id]) {
+                configsToStop.push(id);
+            } else {
+                nodesToStop.push(id);
+            }
+        });
+        stopList = nodesToStop.concat(configsToStop);
+        
         var promises = [];
         for (i=0;i<stopList.length;i++) {
             var node = this.activeNodes[stopList[i]];