Addressed final sonar code smell issues.

co-simulation/lib/mosaic-interactions/src/main/java/org/eclipse/mosaic/interactions/sensor/DetectionType.java

@@ -45,7 +45,7 @@ public enum DetectionType {
      */
     public static DetectionType fromName(String name) {
         for (DetectionType type: DetectionType.values()) {
-            if (type.label == name) {
+            if (type.label.equals(name)) {
                 return type;
             }
         }

co-simulation/lib/mosaic-interactions/src/main/java/org/eclipse/mosaic/interactions/sensor/Sensor.java

@@ -15,9 +15,13 @@
  */
 package org.eclipse.mosaic.interactions.sensor;
 
+import java.io.Serializable;
+
 import org.eclipse.mosaic.lib.geo.CartesianPoint;
 
-public class Sensor {
+public class Sensor implements Serializable {
+    private static final long serialVersionUID = 1L;
+
     private String sensorId;
     private SensorType type;
     private Orientation orientation;

co-simulation/lib/mosaic-interactions/src/main/java/org/eclipse/mosaic/interactions/sensor/SensorRegistration.java

@@ -31,5 +31,29 @@ public Sensor getSensor() {
     public void setSensor(Sensor sensor) {
         this.sensor = sensor;
     }
+    @Override
+    public int hashCode() {
+        final int prime = 31;
+        int result = super.hashCode();
+        result = prime * result + ((sensor == null) ? 0 : sensor.hashCode());
+        return result;
+    }
+    @Override
+    public boolean equals(Object obj) {
+        if (this == obj)
+            return true;
+        if (!super.equals(obj))
+            return false;
+        if (getClass() != obj.getClass())
+            return false;
+        SensorRegistration other = (SensorRegistration) obj;
+        if (sensor == null) {
+            if (other.sensor != null)
+                return false;
+        } else if (!sensor.equals(other.sensor))
+            return false;
+        return true;
+    }
+
 
 }

co-simulation/lib/mosaic-interactions/src/main/java/org/eclipse/mosaic/interactions/sensor/gson/SensorTypeAdapter.java

@@ -31,7 +31,6 @@ public class SensorTypeAdapter implements JsonSerializer<SensorType>, JsonDeseri
     @Override
     public SensorType deserialize(JsonElement json, Type typeOfT, JsonDeserializationContext context)
             throws JsonParseException {
-        String value = json.getAsString();
         return SensorType.fromName(json.getAsString());
     }