fix launch prompt errors when no survey present

awx/ui_next/src/components/LaunchPrompt/steps/PreviewStep.jsx

@@ -8,10 +8,16 @@ import getSurveyValues from '../getSurveyValues';
 function PreviewStep({ resource, config, survey, formErrors }) {
   const { values } = useFormikContext();
   const surveyValues = getSurveyValues(values);
-  const passwordFields = survey.spec
+  let extraVars;
-    .filter(q => q.type === 'password')
+  if (survey && survey.spec) {
-    .map(q => q.variable);
+    const passwordFields = survey.spec
-  const masked = maskPasswords(surveyValues, passwordFields);
+      .filter(q => q.type === 'password')
+      .map(q => q.variable);
+    const masked = maskPasswords(surveyValues, passwordFields);
+    extraVars = yaml.safeDump(mergeExtraVars(values.extra_vars, masked));
+  } else {
+    extraVars = values.extra_vars;
+  }
   return (
     <>
       <PromptDetail
@@ -19,7 +25,7 @@ function PreviewStep({ resource, config, survey, formErrors }) {
         launchConfig={config}
         overrides={{
           ...values,
-          extra_vars: yaml.safeDump(mergeExtraVars(values.extra_vars, masked)),
+          extra_vars: extraVars,
         }}
       />
       {formErrors && (

awx/ui_next/src/components/LaunchPrompt/steps/useInventoryStep.jsx

@@ -9,6 +9,9 @@ export default function useInventoryStep(config, resource, visitedSteps, i18n) {
   const [stepErrors, setStepErrors] = useState({});
 
   const validate = values => {
+    if (!config.ask_inventory_on_launch) {
+      return {};
+    }
     const errors = {};
     if (!values.inventory) {
       errors.inventory = i18n._(t`An inventory must be selected`);

awx/ui_next/src/components/LaunchPrompt/steps/useSurveyStep.jsx

@@ -56,7 +56,7 @@ export default function useSurveyStep(config, resource, visitedSteps, i18n) {
     isReady: !isLoading && !!survey,
     error,
     setTouched: setFieldsTouched => {
-      if (!survey) {
+      if (!survey || !survey.spec) {
         return;
       }
       const fields = {};