fix: job collection was not added if job config only has workflows and no predefined tasks (#9963)

packages/payload/src/config/sanitize.ts

@@ -172,7 +172,11 @@ export const sanitizeConfig = async (incomingConfig: Config): Promise<SanitizedC
   config.i18n = i18nConfig
 
   // Need to add default jobs collection before locked documents collections
-  if (Array.isArray(configWithDefaults.jobs?.tasks) && configWithDefaults.jobs.tasks.length > 0) {
+  if (
+    (Array.isArray(configWithDefaults.jobs?.tasks) && configWithDefaults.jobs?.tasks?.length) ||
+    (Array.isArray(configWithDefaults.jobs?.workflows) &&
+      configWithDefaults.jobs?.workflows?.length)
+  ) {
     let defaultJobsCollection = getDefaultJobsCollection(config as unknown as Config)
 
     if (typeof configWithDefaults.jobs.jobsCollectionOverrides === 'function') {

packages/payload/src/queues/config/jobsCollection.ts

@@ -13,10 +13,13 @@ export const getDefaultJobsCollection: (config: Config) => CollectionConfig | nu
   const workflowSlugs: Set<string> = new Set()
   const taskSlugs: Set<string> = new Set(['inline'])
 
+  if (config.jobs?.workflows.length) {
     config.jobs?.workflows.forEach((workflow) => {
       workflowSlugs.add(workflow.slug)
     })
+  }
 
+  if (config.jobs?.tasks.length) {
     config.jobs.tasks.forEach((task) => {
       if (workflowSlugs.has(task.slug)) {
         throw new Error(
@@ -25,6 +28,7 @@ export const getDefaultJobsCollection: (config: Config) => CollectionConfig | nu
       }
       taskSlugs.add(task.slug)
     })
+  }
 
   const jobsCollection: CollectionConfig = {
     slug: 'payload-jobs',