feat: integrate `shouldPush' for React Native (#184)

* Add shouldPush property to SendOptions

* Add shouldPush property to DecryptedMessage class

* Add shouldPush parameter to ConversationV2 and MessageV2Builder

Author: Ezequiel Leanes

library/src/main/java/org/xmtp/android/library/ConversationV2.kt

@@ -250,6 +250,7 @@ data class ConversationV2(
             topic = topic,
             keyMaterial = keyMaterial,
             codec = codec,
+            shouldPush = options?.shouldPush
         )
 
         val newTopic = if (options?.ephemeral == true) ephemeralTopic else topic

library/src/main/java/org/xmtp/android/library/SendOptions.kt

@@ -5,5 +5,6 @@ import org.xmtp.proto.message.contents.Content
 data class SendOptions(
     var compression: EncodedContentCompression? = null,
     var contentType: Content.ContentTypeId? = null,
-    var ephemeral: Boolean = false
+    var ephemeral: Boolean = false,
+    var shouldPush: Boolean? = null
 )

library/src/main/java/org/xmtp/android/library/messages/DecryptedMessage.kt

@@ -8,5 +8,6 @@ data class DecryptedMessage(
     var encodedContent: EncodedContent,
     var senderAddress: String,
     var sentAt: Date,
-    var topic: String = ""
+    var topic: String = "",
+    var shouldPush: Boolean?
 )

library/src/main/java/org/xmtp/android/library/messages/MessageV2.kt

@@ -138,6 +138,7 @@ class MessageV2Builder(val senderHmac: ByteArray? = null, val shouldPush: Boolea
             topic: String,
             keyMaterial: ByteArray,
             codec: Codec,
+            shouldPush: Boolean? = null
         ): MessageV2Builder {
             val payload = encodedContent.toByteArray()
             val date = Date()
@@ -160,12 +161,13 @@ class MessageV2Builder(val senderHmac: ByteArray? = null, val shouldPush: Boolea
                     Crypto.deriveKey(keyMaterial, ByteArray(0), infoEncoded),
                     headerBytes
                 )
+            val calculatedShouldPush = shouldPush ?: shouldPush(codec = codec, content = codec.decode(encodedContent))
 
             return buildFromCipherText(
                 headerBytes,
                 ciphertext,
                 senderHmacGenerated,
-                shouldPush(codec = codec, content = codec.decode(encodedContent)),
+                calculatedShouldPush,
             )
         }
     }