Fix odata query over POST.

frontend/app/shared/services/contents.service.spec.ts

@@ -78,7 +78,7 @@ describe('ContentsService', () => {
 
             expect(req.request.method).toEqual('POST');
             expect(req.request.headers.get('If-Match')).toBeNull();
-            expect(req.request.body).toEqual({ odataQuery: '$filter=my-filter&$top=17&$skip=13' });
+            expect(req.request.body).toEqual({ odata: '$filter=my-filter&$top=17&$skip=13' });
 
             req.flush({ total: 10, items: [] });
         }));

frontend/app/shared/services/contents.service.ts

@@ -149,7 +149,7 @@ export class ContentsService {
         const body: any = {};
 
         if (odataParts.length > 0) {
-            body.odataQuery = odataParts.join('&');
+            body.odata = odataParts.join('&');
         } else if (queryObj) {
             body.q = queryObj;
         }