Persist schedule prompt on launch fields when editing (#14736)

* persist schedule prompt on launch fields when editing

* Merge job template default credentials with schedule overrides in schedule prompt

* rename vars for clarity

* handle undefined defaultCredentials

---------

Co-authored-by: Michael Abashian <mabashia@redhat.com>

awx/ui/src/components/Schedule/shared/ScheduleForm.js

@@ -20,6 +20,7 @@ import UnsupportedScheduleForm from './UnsupportedScheduleForm';
 import parseRuleObj, { UnsupportedRRuleError } from './parseRuleObj';
 import buildRuleObj from './buildRuleObj';
 import buildRuleSet from './buildRuleSet';
+import mergeArraysByCredentialType from './mergeArraysByCredentialType';
 
 const NUM_DAYS_PER_FREQUENCY = {
   week: 7,
@@ -350,6 +351,12 @@ function ScheduleForm({
     startDate: currentDate,
     startTime: time,
     timezone: schedule.timezone || now.zoneName,
+    credentials: mergeArraysByCredentialType(
+      resourceDefaultCredentials,
+      credentials
+    ),
+    labels: originalLabels.current,
+    instance_groups: originalInstanceGroups.current,
   };
 
   if (hasDaysToKeepField) {

awx/ui/src/components/Schedule/shared/mergeArraysByCredentialType.js

@@ -0,0 +1,18 @@
+export default function mergeArraysByCredentialType(
+  defaultCredentials = [],
+  overrides = []
+) {
+  const mergedArray = [...defaultCredentials];
+
+  overrides.forEach((override) => {
+    const index = mergedArray.findIndex(
+      (defaultCred) => defaultCred.credential_type === override.credential_type
+    );
+    if (index !== -1) {
+      mergedArray.splice(index, 1);
+    }
+    mergedArray.push(override);
+  });
+
+  return mergedArray;
+}