Merge commit '12fce6c' into HEAD

# Conflicts:
#	index.js
#	src/configs/index.js
#	src/configs/machineGroupControl.json
#	src/helper/assetUtils.js
#	src/helper/childRegistrationUtils.js
#	src/helper/configUtils.js
#	src/helper/logger.js
#	src/helper/menuUtils.js
#	src/helper/menuUtils_DEPRECATED.js
#	src/helper/outputUtils.js
#	src/helper/validationUtils.js
#	src/measurements/Measurement.js
#	src/measurements/MeasurementContainer.js
#	src/measurements/examples.js
#	src/outliers/outlierDetection.js

src/helper/childRegistrationUtils.js

@@ -15,7 +15,7 @@ class ChildRegistrationUtils {
       return false;
     }
 
-    const softwareType = child.config.functionality.softwareType;
+    const softwareType = (child.config.functionality.softwareType || '').toLowerCase();
     const name = child.config.general.name || child.config.general.id || 'unknown';
     const id = child.config.general.id || name;
 
@@ -49,7 +49,7 @@ class ChildRegistrationUtils {
 
     // IMPORTANT: Only call parent registration - no automatic handling and if parent has this function then try to register this child
     if (typeof this.mainClass.registerChild === 'function') {
-      this.mainClass.registerChild(child, softwareType);
+      return this.mainClass.registerChild(child, softwareType);
     }
 
     this.logger.info(`✅ Child ${name} registered successfully`);