Fix story linking from private story reply.

app/src/main/java/org/thoughtcrime/securesms/database/StorySendTable.kt

@@ -191,6 +191,24 @@ class StorySendTable(context: Context, databaseHelper: SignalDatabase) : Databas
     return messageIds
   }
 
+  fun getStoryMessageFor(recipientId: RecipientId, timestamp: Long): MessageId? {
+    readableDatabase.query(
+      TABLE_NAME,
+      arrayOf(MESSAGE_ID),
+      "$RECIPIENT_ID = ? AND $SENT_TIMESTAMP = ?",
+      SqlUtil.buildArgs(recipientId, timestamp),
+      null,
+      null,
+      null,
+      "1"
+    ).use { cursor ->
+      if (cursor.moveToFirst()) {
+        return MessageId(cursor.requireLong(MESSAGE_ID))
+      }
+    }
+    return null
+  }
+
   override fun remapRecipient(oldId: RecipientId, newId: RecipientId) {
     val query = "$RECIPIENT_ID = ?"
     val args = SqlUtil.buildArgs(oldId)

app/src/main/java/org/thoughtcrime/securesms/messages/MessageContentProcessor.java

@@ -35,6 +35,7 @@ import org.thoughtcrime.securesms.crypto.SecurityEvent;
 import org.thoughtcrime.securesms.database.AttachmentTable;
 import org.thoughtcrime.securesms.database.CallTable;
 import org.thoughtcrime.securesms.database.GroupTable;
+import org.thoughtcrime.securesms.database.StorySendTable;
 import org.thoughtcrime.securesms.database.model.GroupRecord;
 import org.thoughtcrime.securesms.database.GroupReceiptTable;
 import org.thoughtcrime.securesms.database.GroupReceiptTable.GroupReceiptInfo;
@@ -1750,12 +1751,20 @@ public final class MessageContentProcessor {
 
     try {
       RecipientId   storyAuthorRecipient = RecipientId.from(storyContext.getAuthorServiceId());
+      RecipientId   selfId               = Recipient.self().getId();
       ParentStoryId parentStoryId;
       QuoteModel    quoteModel           = null;
       long          expiresInMillis      = 0L;
+      MessageId     storyMessageId       = null;
 
       try {
-        MessageId        storyMessageId  = database.getStoryId(storyAuthorRecipient, storyContext.getSentTimestamp());
+        if (selfId.equals(storyAuthorRecipient)) {
+          storyMessageId = SignalDatabase.storySends().getStoryMessageFor(senderRecipient.getId(), storyContext.getSentTimestamp());
+        }
+        if (storyMessageId == null) {
+          storyMessageId = database.getStoryId(storyAuthorRecipient, storyContext.getSentTimestamp());
+        }
+
         MmsMessageRecord story           = (MmsMessageRecord) database.getMessageRecord(storyMessageId.getId());
         Recipient        threadRecipient = Objects.requireNonNull(SignalDatabase.threads().getRecipientForThreadId(story.getThreadId()));
         boolean          groupStory      = threadRecipient.isActiveGroup();