[Possible] DiagramModelReferenceProxy#getType() should return the typ…

…e of the DiagramModelReference object

- It should return "diagram-model-reference" not the type of the referenced diagram model

- This aligns it with "diagram-model-note", "diagram-model-group" and "diagram-model-connection"

- But see #95

com.archimatetool.script.tests/src/com/archimatetool/script/dom/model/DiagramModelReferenceProxyTests.java

@@ -37,6 +37,19 @@ public void runOnceBeforeEachTest() {
         actualTestProxy = (DiagramModelReferenceProxy)testProxy;
     }
 
+    @Override
+    @Test
+    public void getType() {
+        // The type should be the IDiagramModelReference, not the referenced diagram model
+        assertEquals(ModelUtil.getKebabCase(testProxy.getEObject().eClass().getName()), testProxy.getType());
+    }
+
+    @Override
+    public void attr_Type() {
+        // The type should be the IDiagramModelReference, not the referenced diagram model        
+        assertEquals(ModelUtil.getKebabCase(testProxy.getEObject().eClass().getName()), testProxy.getType());
+    }
+
     @Override
     @Test
     public void get_ReturnsCorrectProxy() {

com.archimatetool.script/src/com/archimatetool/script/dom/model/DiagramModelReferenceProxy.java

@@ -34,4 +34,9 @@ protected EObject getReferencedEObject() {
         return getEObject().getReferencedModel();
     }
 
+    @Override
+    public String getType() {
+        // The type should be the IDiagramModelReference, not the referenced diagram model
+        return ModelUtil.getKebabCase(getEObject().eClass().getName());
+    }
 }