feat: tambah fitur hapus file existing saat edit komentar diskusi umum

- Edit mode menampilkan file existing dengan chip ✕ merah untuk tandai hapus
- File yang ditandai dikirim sebagai filesToRemove ke backend saat submit
- Reset removedFileIds saat cancel edit

lib/api/discussion.api.ts

@@ -39,7 +39,14 @@ export const apiSendDiscussionGeneralCommentar = async ({ id, data }: { id: stri
    return response.data;
 };
 
-export const apiUpdateDiscussionGeneralCommentar = async ({ id, data }: { id: string, data: { desc: string, user: string } }) => {
+export const apiSendDiscussionGeneralCommentarWithFile = async (id: string, data: FormData) => {
+   const response = await api.post(`/mobile/discussion-general/${id}/comment`, data, {
+      headers: { 'Content-Type': 'multipart/form-data' },
+   })
+   return response.data;
+};
+
+export const apiUpdateDiscussionGeneralCommentar = async ({ id, data }: { id: string, data: { desc: string, user: string, filesToRemove?: string[] } }) => {
    const response = await api.put(`/mobile/discussion-general/${id}/comment`, data)
    return response.data;
 };