Update maxIssueCount in boards store

ee/app/assets/javascripts/boards/components/board_settings_sidebar.vue

@@ -81,14 +81,10 @@ export default {
 
         this.updateListWipLimit({ maxIssueCount: this.currentWipLimit, id: this.activeListId })
           .then(({ config }) => {
-            /*
-              Move to BoardsStore bc we are consolidating all List
-              Model code and then moving it from BoardsStore to Vuex.
-            */
-
-            boardsStoreEE.store.findList('id', this.activeListId).maxIssueCount = JSON.parse(
-              config.data,
-            ).list.max_issue_count;
+            boardsStoreEE.setMaxIssueCountOnList(
+              this.activeListId,
+              JSON.parse(config.data).list.max_issue_count,
+            );
             this.resetStateAfterUpdate();
           })
           .catch(() => {

ee/app/assets/javascripts/boards/stores/boards_store_ee.js

@@ -172,6 +172,10 @@ class BoardsStoreEE {
     return parseBoolean(Cookies.get('promotion_issue_board_hidden'));
   }
 
+  setMaxIssueCountOnList(id, maxIssueCount) {
+    this.store.findList('id', id).maxIssueCount = maxIssueCount;
+  }
+
   updateWeight(newWeight, id) {
     const { issue } = this.store.detail;
     if (issue.id === id && issue.sidebarInfoEndpoint) {