Improve and consolidate typing

src/models/IUpload.ts

@@ -14,11 +14,13 @@ See the License for the specific language governing permissions and
 limitations under the License.
 */
 
+import { IAbortablePromise } from "matrix-js-sdk/src/@types/partials";
+
 export interface IUpload {
     fileName: string;
     roomId: string;
     total: number;
     loaded: number;
-    promise: Promise<any>;
+    promise: IAbortablePromise<any>;
     canceled?: boolean;
 }