feat(submission flow): correctly set the first author as submitting

packages/component-faraday-ui/src/WizardAuthors.js

@@ -132,7 +132,7 @@ export default compose(
         addAuthor(
           {
             ...omit(values, 'id'),
-            isSubmitting: authors.length === 0,
+            isSubmitting: authors.length === 1,
           },
           project.id,
           version.id,

packages/component-wizard/src/components/utils.js

@@ -89,9 +89,6 @@ export const onSubmit = (
     hideModal,
     isEditMode,
     setModalError,
-    autosaveRequest,
-    autosaveSuccess,
-    autosaveFailure,
     submitManuscript,
     version: { id: fragmentId },
     project: { id: collectionId, customId },