feat(dashboard): add view course site actions and publish flow (#690)

Add View course site and Publish course options to org course context menus.
Replace the course header View as student button with View Course Site and
a companion overflow menu that includes View as student plus list actions.
Show a publish prompt modal for unpublished courses and support #publish
deep links in course settings.

apps/dashboard/src/lib/features/course/utils/publish-course.ts

@@ -0,0 +1,32 @@
+import { generateSlug } from '@cio/utils/functions';
+import { isObject } from '$lib/utils/functions/isObject';
+import { courseApi } from '$features/course/api';
+import type { Course } from '$features/course/utils/types';
+
+export async function publishCourse(course: Course): Promise<boolean> {
+  if (!course?.id) {
+    return false;
+  }
+
+  let slug = course.slug?.trim() ? course.slug : undefined;
+  if (!slug) {
+    slug = generateSlug(course.title, { appendTimestamp: true });
+  }
+
+  const metadataPayload = {
+    ...(isObject(course.metadata) ? course.metadata : {}),
+    allowNewStudent: true
+  };
+
+  const result = await courseApi.update(
+    course.id,
+    {
+      isPublished: true,
+      slug,
+      metadata: metadataPayload
+    },
+    { showSuccessToast: true }
+  );
+
+  return !!result;
+}