support toggling to secret on env group update

dashboard/src/main/home/cluster-dashboard/env-groups/EnvGroupArray.tsx

@@ -33,7 +33,7 @@ type StateType = {
   showEditorModal: boolean;
 };
 
-export default class KeyValueArray extends Component<PropsType, StateType> {
+export default class EnvGroupArray extends Component<PropsType, StateType> {
   state = {
     showEnvModal: false,
     showEditorModal: false,

dashboard/src/main/home/cluster-dashboard/env-groups/ExpandedEnvGroup.tsx

@@ -78,7 +78,7 @@ export default class ExpandedEnvGroup extends Component<PropsType, StateType> {
       if (envVar.hidden) {
         if (envVar.deleted) {
           secretEnvVariables[envVar.key] = null
-        } else if (envVar.value.includes("PORTERSECRET")) {
+        } else if (!envVar.value.includes("PORTERSECRET")) {
           secretEnvVariables[envVar.key] = envVar.value
         }
       } else {