feat: fulfill the content warning when compose reply post

Mastodon/Diffiable/Section/ComposeStatusSection.swift

@@ -77,6 +77,7 @@ extension ComposeStatusSection {
                 return cell
             case .input(let replyToStatusObjectID, let attribute):
                 let cell = collectionView.dequeueReusableCell(withReuseIdentifier: String(describing: ComposeStatusContentCollectionViewCell.self), for: indexPath) as! ComposeStatusContentCollectionViewCell
+                cell.statusContentWarningEditorView.textView.text = attribute.contentWarningContent.value
                 cell.textEditorView.text = attribute.composeContent.value ?? ""
                 managedObjectContext.perform {
                     guard let replyToStatusObjectID = replyToStatusObjectID,

Mastodon/Scene/Compose/ComposeViewModel.swift

@@ -112,6 +112,10 @@ final class ComposeViewModel {
                 for acct in mentionAccts {
                     UITextChecker.learnWord(acct)
                 }
+                if let spoilerText = status.spoilerText, !spoilerText.isEmpty {
+                    self.isContentWarningComposing.value = true
+                    self.composeStatusAttribute.contentWarningContent.value = spoilerText
+                }
                 
                 let initialComposeContent = mentionAccts.joined(separator: " ")
                 let preInsertedContent: String? = initialComposeContent.isEmpty ? nil : initialComposeContent + " "