fix: add intl to Previous Imports title

Author: rpenido

src/library-authoring/import-course/CourseImportHomePage.tsx

@@ -70,7 +70,9 @@ export const CourseImportHomePage = () => {
             <Layout.Element>
               {courseImports.length ? (
                 <Stack gap={3} className="pl-4 mt-4">
-                  <h3>Previous Imports</h3>
+                  <h3>
+                    <FormattedMessage {...messages.courseImportPreviousImports} />
+                  </h3>
                   {courseImports.map((courseImport) => (
                     <ImportedCourseCard
                       key={courseImport.source.key}

src/library-authoring/import-course/messages.ts

@@ -21,6 +21,11 @@ const messages = defineMessages({
     defaultMessage: 'Import Course',
     description: 'Text for the  button to import a course into the library',
   },
+  courseImportPreviousImports: {
+    id: 'course-authoring.library-authoring.import-course.previous-imports',
+    defaultMessage: 'Previous Imports',
+    description: 'Title for the list of previous imports',
+  },
   courseImportTextProgress: {
     id: 'course-authoring.library-authoring.import-course.course.text',
     defaultMessage: '% Imported',