Move ok_to_mqtt from flag to bitfield (#574)

Author: jp-bennett

meshtastic/mesh.options

@@ -18,6 +18,7 @@
 # note: this payload length is ONLY the bytes that are sent inside of the Data protobuf (excluding protobuf overhead). The 16 byte header is
 # outside of this envelope
 *Data.payload max_size:237
+*Data.bitfield int_size:8
 
 *NodeInfo.channel int_size:8
 *NodeInfo.hops_away int_size:8
@@ -72,4 +73,4 @@
 
 *ChunkedPayload.chunk_count int_size:16
 *ChunkedPayload.chunk_index int_size:16
-*ChunkedPayload.payload_chunk max_size:228
+*ChunkedPayload.payload_chunk max_size:228

meshtastic/mesh.proto

@@ -890,9 +890,9 @@ message Data {
   fixed32 emoji = 8;
 
   /*
-   * Defaults to false. Indicates the user approves the packet being uploaded to MQTT.
+   * Bitfield for extra flags. First use is to indicate that user approves the packet being uploaded to MQTT.
    */
-  optional bool ok_to_mqtt = 9;
+  optional uint32 bitfield = 9;
 }
 
 /*