dominant-hand json property: use 'left'/'right' instead of 0/1

This is more human-friendly...

configs/vairdraw/vairdraw_common.json

@@ -385,7 +385,7 @@
   },
 
   "interaction-set" : {
-    "dominant-hand" : 0
+    "dominant-hand" : "right"
   },
 
   "hardware-set" : {

other-src/launcher/Panels/Launchers/VAirDrawLauncher.cpp

-// SPDX-FileCopyrightText: Copyright (c) 2020-2024 CRIStAL/PIRVI. All rights reserved.
-// SPDX-FileCopyrightText: Copyright (c) 2020-2024 Samuel Degrande
+// SPDX-FileCopyrightText: Copyright (c) 2020-2025 CRIStAL/PIRVI. All rights reserved.
+// SPDX-FileCopyrightText: Copyright (c) 2020-2025 Samuel Degrande
 // SPDX-License-Identifier: BSD-3-Clause
 
 /**
@@ -39,8 +39,8 @@ VAirDrawLauncher::VAirDrawLauncher(wxWindow* parent, wxWindowID winid) : ILaunch
 	                               choices, 0, wxRA_SPECIFY_COLS);
 
 	wxString hands[] = { "Left hand", "Right hand" };
-	dominantHandBox = new wxRadioBox(this, wxID_ANY, "Dominant hand", wxDefaultPosition, wxDefaultSize, 2,
-	                                 hands, 0, wxRA_SPECIFY_COLS);
+	dominantHandBox = new wxRadioBox(this, wxID_ANY, "Dominant hand", wxDefaultPosition, wxDefaultSize, 2, hands, 0,
+	                                 wxRA_SPECIFY_COLS);
 
 	saveCaptureButton->Hide();
 	launchExternalButton->Hide();
@@ -251,7 +251,7 @@ void VAirDrawLauncher::onWriteAppConfig(DispatchAppConfigData* appConfig)
 	ItemsMap options = getItems();
 
 	int dominantHand = options["dominant-hand"].GetLong();
-	appConfig->jsonRoot["interaction-set"]["dominant-hand"] = dominantHand;
+	appConfig->jsonRoot["interaction-set"]["dominant-hand"] = (dominantHand == 0) ? "left" : "right";
 
 	if (appConfig->runMode == LauncherConfig::MASTER) {
 		Json::Value& collabConfig = appConfig->jsonRoot["core"]["collaboration"]["collab-master"];

other-src/launcher/VRDProcess/SlaveProcess.cpp

-// SPDX-FileCopyrightText: Copyright (c) 2020-2023 CRIStAL/PIRVI. All rights reserved.
-// SPDX-FileCopyrightText: Copyright (c) 2020-2023 Samuel Degrande
+// SPDX-FileCopyrightText: Copyright (c) 2020-2025 CRIStAL/PIRVI. All rights reserved.
+// SPDX-FileCopyrightText: Copyright (c) 2020-2025 Samuel Degrande
 // SPDX-License-Identifier: BSD-3-Clause
 
 /**
@@ -166,7 +166,8 @@ bool SlaveProcess::setSlaveConfig(const std::string& data)
 	parseJson(data, jsContent);
 
 	jsContent["core"]["local-asset-dir"] = Setup::getInstance()->ReadString("default-local-asset").ToStdString();
-	jsContent["interaction-set"]["dominant-hand"] = static_cast<int>(options["dominant-hand"].GetLong());
+	int dominantHand = static_cast<int>(options["dominant-hand"].GetLong());
+	jsContent["interaction-set"]["dominant-hand"] = (dominantHand == 0) ? "left" : "right";
 
 	configFile.Write(jsContent.toStyledString());
 	configFile.Close();

src/HardwareSet/OpenXRSet/OpenXRInput.cpp

@@ -109,7 +109,7 @@ bool OpenXRInput::initialize(OxrConnection& oxrConn, const std::string& manifest
 	// First check if the 'default-action-set' prefix exists. If so, it means that this action set is not 'handed'.
 	// If not found, look for the 'handed' action set.
 
-	oxrControllers.primaryIsLeft = (interactionConf["dominant-hand"].asInt() == 0);
+	oxrControllers.primaryIsLeft = (interactionConf["dominant-hand"].asString() == "left");
 	auto it = oxrActionSets.find(defaultActionSetName);
 	if (it == oxrActionSets.end()) {
 		std::string handedActionSetName =