Enhance location handling and UI updates

- Refactor location permission handling in SparseLocationLogger
- Add updateMyLocation method to SparseLocationLogger
- Introduce new contact handling in MeshCoreConnector
- Update map screen with a new option to refresh location
- Add localization for "Update Location" in app_en.arb
- Adjust payload types in meshcore_protocol.dart

lib/connector/meshcore_protocol.dart

@@ -213,6 +213,30 @@ const int advTypeRepeater = 2;
 const int advTypeRoom = 3;
 const int advTypeSensor = 4;
 
+// Payload Types
+const int payloadTypeREQ =
+    0x00; // request (prefixed with dest/src hashes, MAC) (enc data: timestamp, blob)
+const int payloadTypeRESPONSE =
+    0x01; // response to REQ or ANON_REQ (prefixed with dest/src hashes, MAC) (enc data: timestamp, blob)
+const int payloadTypeTXTMSG =
+    0x02; // a plain text message (prefixed with dest/src hashes, MAC) (enc data: timestamp, text)
+const int payloadTypeACK = 0x03; // a simple ack
+const int payloadTypeADVERT = 0x04; // a node advertising its Identity
+const int payloadTypeGRPTXT =
+    0x05; // an (unverified) group text message (prefixed with channel hash, MAC) (enc data: timestamp, "name: msg")
+const int payloadTypeGRPDATA =
+    0x06; // an (unverified) group datagram (prefixed with channel hash, MAC) (enc data: timestamp, blob)
+const int payloadTypeANONREQ =
+    0x07; // generic request (prefixed with dest_hash, ephemeral pub_key, MAC) (enc data: ...)
+const int payloadTypePATH =
+    0x08; // returned path (prefixed with dest/src hashes, MAC) (enc data: path, extra)
+const int payloadTypeTRACE = 0x09; // trace a path, collecting SNI for each hop
+const int payloadTypeMULTIPART = 0x0A; // packet is one of a set of packets
+const int payloadTypeCONTROL = 0x0B; // a control/discovery packet
+//...
+const int payloadTypeRawCustom =
+    0x0F; // custom packet as raw bytes, for applications with custom encryption, payloads, etc
+
 // Sizes
 const int pubKeySize = 32;
 const int maxPathSize = 64;
@@ -780,20 +804,20 @@ Uint8List buildZeroHopContact(Uint8List pubKey) {
 }
 
 // Build CMD_SET_OTHER_PARAMS frame
-// Format: [cmd][allowAutoAddContacts][allowTelemetryFlags][advert_loc_policy][multi_acks]
+// Format: [cmd][allowAutoAddContacts][allowTelemetryFlags][advertLocationPolicy][multiAcks]
 Uint8List buildSetOtherParamsFrame(
   bool allowAutoAddContacts,
   int allowTelemetryFlags,
-  int advert_loc_policy,
-  int multi_acks,
+  int advertLocationPolicy,
+  int multiAcks,
 ) {
   final writer = BufferWriter();
   writer.writeByte(cmdSetOtherParams);
   writer.writeByte(
-    allowAutoAddContacts ? 0x01 : 0x00,
+    allowAutoAddContacts ? 0x00 : 0x01,
   ); // Allow Auto Add Contacts
   writer.writeByte(allowTelemetryFlags); // Allow Telemetry Flags
-  writer.writeByte(advert_loc_policy); // Advertisement Location Policy
-  writer.writeByte(multi_acks); // Multi Acknowledgements
+  writer.writeByte(advertLocationPolicy); // Advertisement Location Policy
+  writer.writeByte(multiAcks); // Multi Acknowledgements
   return writer.toBytes();
 }