Fix Deal XP logic of party sheet

src/module/dialog/party-sheet.js

@@ -60,10 +60,13 @@ export class AcksPartySheet extends FormApplication {
           <label>Amount</label>
           <input name="total" placeholder="0" type="text"/>
         </div>
-        </form>`;
-    let pcs = this.object.entities.filter((e) => {
-      return e.getFlag('acks', 'party') && e.data.type == "character";
+      </form>
+    `;
+
+    let pcs = this.object.documents.filter((actor) => {
+      return actor.getFlag('acks', 'party') && actor.data.type == "character";
     });
+
     new Dialog({
       title: "Deal Experience",
       content: template,