🐛 Fixed email sending job execution

refs https://github.com/TryGhost/Toolbox/issues/359

- Sending newsletters got broken because underlying "inline job" execution had a bug.
- The real problem was in the job manager trying to verify inline unnamed job status in the database without having a name.

ghost/job-manager/lib/job-manager.js

@@ -81,7 +81,7 @@ class JobManager {
     }
 
     async _jobMessageHandler({name, message}) {
-        if (this._jobsRepository) {
+        if (this._jobsRepository && name) {
             if (message === 'started') {
                 const job = await this._jobsRepository.read(name);
 

ghost/job-manager/test/job-manager.test.js

@@ -33,7 +33,9 @@ describe('Job Manager', function () {
         describe('Inline jobs', function () {
             it('adds a job to a queue', async function () {
                 const spy = sinon.spy();
-                const jobManager = new JobManager({});
+                const jobManager = new JobManager({
+                    JobModel: sinon.stub().resolves()
+                });
 
                 jobManager.addJob({
                     job: spy,