fix bug where board viewmodels where re-created

src/View/viewPersistence.ts

@@ -10,13 +10,16 @@ class PageTrackerMap {
     private register = (key: string): PageTracker => {
         if (this.trackers.has(key)) {
             return this.trackers.get(key);
-        };
+        }
         const tracker = new PageTracker();
         this.trackers.set(key, tracker);
-        return tracker
-    }
+        return tracker;
+    };
 
-    setPages = (key: string, pages: () => React.State<HTMLElement>): React.State<HTMLElement | undefined> | undefined => {
+    setPages = (
+        key: string,
+        pages: () => React.State<HTMLElement>,
+    ): React.State<HTMLElement | undefined> | undefined => {
         const tracker: PageTracker = this.register(key);
 
         if (tracker.pages != undefined) {
@@ -25,11 +28,11 @@ class PageTrackerMap {
             tracker.pages = pages();
             return tracker.pages;
         }
-    }
+    };
 }
 
 export class ViewPersistence {
     static readonly chatPages = new PageTracker();
     static readonly taskPages = new PageTrackerMap();
     static readonly boardPages = new PageTrackerMap();
-}
+}