properly store sent messages in local db

app/src/main/kotlin/com/simplemobiletools/smsmessenger/activities/ThreadActivity.kt

@@ -704,7 +704,13 @@ class ThreadActivity : SimpleActivity() {
             notificationManager.cancel(threadId.hashCode())
         }
 
+        val lastMaxId = messages.maxByOrNull { it.id }?.id ?: 0L
         messages = getMessages(threadId)
+
+        messages.filter { !it.isReceivedMessage() && it.id > lastMaxId }.forEach {
+            messagesDB.insertOrIgnore(it)
+        }
+
         setupAdapter()
     }
 }

app/src/main/kotlin/com/simplemobiletools/smsmessenger/interfaces/MessagesDao.kt

@@ -11,6 +11,9 @@ interface MessagesDao {
     @Insert(onConflict = OnConflictStrategy.REPLACE)
     fun insertOrUpdate(message: Message)
 
+    @Insert(onConflict = OnConflictStrategy.IGNORE)
+    fun insertOrIgnore(message: Message): Long
+
     @Insert(onConflict = OnConflictStrategy.REPLACE)
     fun insertMessages(vararg message: Message)