Added possibility to set max inbound rpc message size

@@ -705,7 +705,7 @@ edges:
       enabled: "${EDGES_RPC_SSL_ENABLED:false}"
       cert: "${EDGES_RPC_SSL_CERT:certChainFile.pem}"
       private_key: "${EDGES_RPC_SSL_PRIVATE_KEY:privateKeyFile.pem}"
-    max_inbound_message_size: "${INTEGRATIONS_RPC_MAX_INBOUND_MESSAGE_SIZE:4194304}"
+    max_inbound_message_size: "${EDGES_RPC_MAX_INBOUND_MESSAGE_SIZE:4194304}"
   storage:
     max_read_records_count: "${EDGES_STORAGE_MAX_READ_RECORDS_COUNT:50}"
     no_read_records_sleep: "${EDGES_NO_READ_RECORDS_SLEEP:1000}"