Fix setHeatModeAsync subtracting 1 from the given body type

Fixes #76

CHANGELOG.md

@@ -5,6 +5,12 @@ All notable changes to this project will be documented in this file.
 The format is based on [Keep a Changelog](https://keepachangelog.com/en/1.0.0/),
 and this project adheres to [Semantic Versioning](https://semver.org/spec/v2.0.0.html).
 
+## Unreleased
+
+### Fixed
+
+* Fixed bodies.setHeatModeAsync incorrectly subtracting one from the given body index. This is a breaking change if you were correcting for the offset already.
+
 ## v2.0.0 - 2023-03-10
 
 This major version number increase comes with many changes under the hood, including a rename of most every method in the library. This adds Promises and Typescript support. See the [Migration guide](https://github.com/parnic/node-screenlogic/wiki/Migration-guide) and [Breaking changes](https://github.com/parnic/node-screenlogic/wiki/Breaking-changes) wiki pages for detailed information.

messages/OutgoingMessages.ts

@@ -300,7 +300,7 @@ export class BodyCommands extends Commands {
     this.action = HeaterMessage.ResponseIDs.SetHeatMode - 1;
     this.createBaseMessage(senderId);
     this.writeInt32LE(this.unit.controllerId);
-    this.writeInt32LE((bodyType - 1) || 0);
+    this.writeInt32LE(bodyType || 0);
     this.writeInt32LE(heatMode || 0);
     this.unit.write(this.toBuffer());
     return this;