Fix droppable for collection component

packages/core/src/data_sources/model/collection_component/CollectionComponent.ts

@@ -22,7 +22,7 @@ export default class CollectionComponent extends Component {
     const conditionalCmptDef = {
       ...props,
       type: CollectionComponentType,
-      dropbbable: false,
+      droppable: false,
     };
 
     // @ts-ignore

packages/core/test/specs/data_sources/model/collection_component/CollectionComponent.ts

@@ -31,6 +31,14 @@ describe('Collection component', () => {
     em.destroy();
   });
 
+  test('Should be undroppable', () => { 
+    const cmp = wrapper.components({
+      type: CollectionComponentType,
+    })[0];
+
+    expect(cmp.get('droppable')).toBe(false);
+  });
+
   describe('Collection symbols', () => {
     test('Basic usage', () => {
       const cmp = wrapper.components({

packages/core/test/specs/data_sources/model/collection_component/__snapshots__/CollectionComponent.ts.snap

@@ -39,7 +39,7 @@ exports[`Collection component Stringfication Collection with dynamic datasource
       "start_index": 0,
     },
   },
-  "dropbbable": false,
+  "droppable": false,
   "type": "collection-component",
 }
 `;