Add caption to outgoing stories.

app/src/main/java/org/thoughtcrime/securesms/mediasend/v2/MediaSelectionRepository.kt

@@ -93,6 +93,7 @@ class MediaSelectionRepository(context: Context) {
 
       for (media in updatedMedia) {
         Log.w(TAG, media.uri.toString() + " : " + media.transformProperties.map { t: TransformProperties -> "" + t.isVideoTrim }.orElse("null"))
+        media.setCaption(trimmedBody)
       }
 
       val singleRecipient: Recipient? = singleContact?.let { Recipient.resolved(it.recipientId) }

app/src/main/java/org/thoughtcrime/securesms/stories/viewer/page/StoryViewerPageFragment.kt

@@ -477,8 +477,8 @@ class StoryViewerPageFragment :
 
   @SuppressLint("SetTextI18n")
   private fun presentCaption(caption: TextView, largeCaption: TextView, largeCaptionOverlay: View, storyPost: StoryPost) {
-    val displayBody = if (storyPost.content is StoryPost.Content.AttachmentContent) {
-      storyPost.conversationMessage.getDisplayBody(requireContext())
+    val displayBody: String = if (storyPost.content is StoryPost.Content.AttachmentContent) {
+      storyPost.content.attachment.caption ?: ""
     } else {
       ""
     }