Fix test: when using dynamic input, the value is converted correctly as number before being send to the change event

src/Components/Properties/Properties.test.tsx

@@ -68,8 +68,8 @@ describe.concurrent('Properties', () => {
 
     expect(prop.id).toBe('stuff');
     expect(prop.parentId).toBe('parentId');
-    expect(prop.x).toBe('2');
-    expect(prop.y).toBe('2');
+    expect(prop.x).toBe(2);
+    expect(prop.y).toBe(2);
     rerender(<Properties
       properties={Object.assign({}, prop)}
       onChange={handleChange}